Fix tenses in news entry

Author: johnslavik

Misc/NEWS.d/next/Library/2026-01-13-15-56-03.gh-issue-132604.lvjNTr.rst

@@ -1,4 +1,4 @@
 Previously, :class:`~typing.Protocol` classes that were not decorated with :deco:`~typing.runtime_checkable`,
-but that inherit from another ``Protocol`` class that does have this decorator, could be used in :func:`isinstance`
+but that inherited from another ``Protocol`` class that did have this decorator, could be used in :func:`isinstance`
 and :func:`issubclass` checks. This behavior is now deprecated and such checks will throw a :exc:`TypeError`
 in Python 3.20. Patch by Bartosz Sławecki.