fix deprecation warnings related to hint database

With Coq 8.13, there are a bunch of deprecation warnings that need addressing:

File "./model/priority/classes.v", line 156, characters 0-53: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated]
File "./model/priority/deadline_monotonic.v", line 40, characters 0-89: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated]
File "./model/priority/edf.v", line 40, characters 0-92: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated]
File "./model/priority/fifo.v", line 36, characters 0-95: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated]
File "./model/priority/numeric_fixed_priority.v", line 51, characters 0-92: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated]
File "./model/priority/rate_monotonic.v", line 42, characters 0-89: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated]
File "./analysis/facts/edf.v", line 34, characters 0-57: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated]
File "./analysis/facts/model/ideal_schedule.v", line 199, characters 0-157: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated]
File "./analysis/facts/preemption/job/preemptive.v", line 68, characters 0-56: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated]
File "./analysis/facts/preemption/task/preemptive.v", line 62, characters 0-212: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated]
File "./analysis/facts/preemption/rtc_threshold/job_preemptable.v", line 264, characters 0-71: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated] COQC analysis/facts/model/offset.v
File "./analysis/facts/preemption/job/nonpreemptive.v", line 129, characters 0-59: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated]
File "./analysis/facts/preemption/job/limited.v", line 228, characters 0-69: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated]
File "./analysis/facts/preemption/task/nonpreemptive.v", line 89, characters 0-220: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated]
File "./analysis/facts/preemption/rtc_threshold/nonpreemptive.v", line 80, characters 0-86: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated] COQC analysis/definitions/hyperperiod.v
File "./analysis/facts/preemption/rtc_threshold/preemptive.v", line 41, characters 0-83: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated]
File "./analysis/facts/periodic/sporadic.v", line 92, characters 0-80: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated]
File "./analysis/facts/preemption/task/floating.v", line 110, characters 0-244: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated]
File "./analysis/facts/preemption/task/limited.v", line 112, characters 0-238: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated]
File "./analysis/facts/preemption/rtc_threshold/floating.v", line 43, characters 0-86: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated]
File "./analysis/facts/preemption/rtc_threshold/limited.v", line 143, characters 0-74: Warning: The default value for hint locality is currently "local" in a section and "global" otherwise, but is scheduled to change in a future release. For the time being, adding hints outside of sections without specifying an explicit locality is therefore deprecated. It is recommended to use "export" whenever possible. [deprecated-hint-without-locality,deprecated]