update dependencies and Makefile, import numbers

Makefile

opam

theories/lang/arc_cmra.v

theories/lifetime/model/creation.v

theories/lifetime/model/definitions.v

theories/lifetime/model/faking.v

theories/lifetime/model/reborrow.v

theories/typing/lib/rc/rc.v

theories/typing/lib/rc/weak.v

theories/typing/lib/refcell/ref_code.v

theories/typing/lib/refcell/refcell.v

theories/typing/lib/refcell/refmut_code.v

theories/typing/lib/rwlock/rwlock.v

theories/typing/lib/rwlock/rwlockreadguard_code.v

theories/typing/product.v

theories/typing/product_split.v

theories/typing/type.v