Add NEWS entry per bot

Author: JAJames

Misc/NEWS.d/next/Library/2025-04-18-18-11-15.gh-issue-115512.oE6Jkw.rst

@@ -0,0 +1,6 @@
+Substantially improved memory usage and performance when parsing email text
+in :mod:`email`. Primarily reduces memory usage in
+:func:`email.message_from_bytes`, :func:`email.message_from_string`,
+:class:`email.parser.Parser`, :class:`email.parser.ByteParser`,
+:class:`email.feedparser.FeedParser`,
+:class:`email.feedparser.BytesFeedParser`