PYTHON-5653: fix - correct return type annotation for `find_one_and_*` methods to include `None`#2615

caseyclements merged 3 commits intomongodb:mastermongodb/mongo-python-driver:masterfrom

cj81499:fix-find-one-and-update-return-type-hintcj81499/mongo-python-driver:fix-find-one-and-update-return-type-hintCopy head branch name to clipboard