Removed nitpick_ignore by updating Sphinx to 7.3

[radarhere]

Pillow/docs/conf.py

Lines 124 to 129 in 0e90c1c

	nitpick_ignore = [
	# Sphinx does not understand typing.Literal[-1]
	# Will be fixed in a future version.
	# https://github.com/sphinx-doc/sphinx/pull/11904
	("py:obj", "typing.Literal[-1, 1]"),
	]

A new version of Sphinx has been released, so this can be removed.