Fix NEWS entry Sphinx references

Use inline code markup instead of :func: and :meth: roles for
partial.__repr__ and __setstate__ to avoid Sphinx reference
resolution failures in the docs CI.

Author: Nicolas0315

Misc/NEWS.d/next/Library/2026-03-02-02-30-00.gh-issue-144475.CfVOu8Hi.rst

@@ -1,6 +1,5 @@
-Fix a heap-buffer-overflow in :func:`functools.partial.__repr__` where a
+Fix a heap-buffer-overflow in :func:`functools.partial` ``__repr__`` where a
 user-defined :meth:`~object.__repr__` on an argument could mutate the
-:class:`~functools.partial` object via :meth:`~functools.partial.__setstate__`,
-freeing the args tuple while iteration was still in progress. The fix holds
-strong references to the ``args`` tuple, ``kw`` dict, and ``fn`` callable
-during formatting.
+:class:`~functools.partial` object via ``__setstate__()``, freeing the args
+tuple while iteration was still in progress. The fix holds strong references
+to the ``args`` tuple, ``kw`` dict, and ``fn`` callable during formatting.