Merge branch 'master' into ci/weak_mem

theories/lifetime/model/accessors.v

theories/lifetime/model/borrow_sep.v

theories/lifetime/model/creation.v

theories/lifetime/model/definitions.v

theories/lifetime/model/faking.v

theories/lifetime/model/primitive.v

theories/lifetime/model/reborrow.v

theories/typing/function.v

theories/typing/lib/diverging_static.v

theories/typing/lib/mutex/mutexguard.v

theories/typing/lib/refcell/ref.v

theories/typing/lib/refcell/refmut.v

theories/typing/lib/rwlock/rwlockreadguard.v

theories/typing/lib/rwlock/rwlockwriteguard.v

theories/typing/lib/spawn.v

theories/typing/product.v

theories/typing/shr_bor.v

theories/typing/sum.v

theories/typing/type.v

theories/typing/typing.v