Fix py:func references in NEWS.d

Author: plashchynski

Misc/NEWS.d/next/Library/2025-03-17-21-15-04.gh-issue-131146.P9Cdx0.rst

@@ -1,4 +1,4 @@
-Add :func:`alt_month_name` and :func:`alt_month_abbr` in :mod:`calendar` to
+Add :func:`calendar.alt_month_name` and :func:`calendar.alt_month_abbr` to
 provide alternative month names and abbreviations for the current locale
 when available. These are used when the month is named by itself, such as in
 a standalone date.