Add name and GH issue in News fragment

Author: clin1234

Misc/NEWS.d/next/Library/2026-03-23-20-14-57.gh-issue-146341.JSTJlL.rst

@@ -9,3 +9,5 @@ Add the following MIME types corresponding to file extensions:
   - ``.blk`` and ``.bk2`` for ``video/vnd.radgamettools.bink``
   - ``.sswf`` and ``.ssw`` for ``video/vnd.sealed.swf``
   - ``.yt``    for ``video/vnd.youtube.yt``
+
+(Contributed by Charlie Lin in :gh:`146342`.)