NotShareableError Should Inherit from TypeError

[ericsnowcurrently]

Bug report

Bug description:

Shareability is a feature of types, not values, so NotShareableError should be a subclass of TypeError, not ValueError.

CPython versions tested on:

3.14, CPython main branch

Operating systems tested on:

No response

Linked PRs

• gh-132781: Cleanup Code Related to NotShareableError #132782
• gh-132781: Make NotShareableError a TypeError Subclass #132973
• gh-132781: fix refleaks in crossinterp_exceptions.h post gh-132782 #132989