Refresh importlib.resources

[jaraco]

This bug tracks the sync with importlib_resources 5.x (history) into Python 3.12. For now, 5.9, but probably some other releases soon.

• 5.9 (gh-97930: Merge with importlib_resources 5.9 #97929)
• 5.10 (gh-97930: Apply changes from importlib_resources 5.10. #100598)
• 5.12 (gh-97930: Apply changes from importlib_resources 5.12. #102010)

Linked PRs

• gh-97930: Apply changes from importlib_resources 5.10. #100598
• gh-97930: Apply changes from importlib_resources 5.12. #102010
• gh-97930: Also include subdirectory in makefile. #102030

[hauntsaninja]

Looks like both 5.9 and 5.10 have been synchronised