Prep for 4.14.1 release (#2495)

(cherry picked from commit 0d2a4b4)

Author: sleepyStick

doc/changelog.rst

@@ -1,5 +1,20 @@
 Changelog
 =========
+Changes in Version 4.14.1 (2025/08/19)
+--------------------------------------
+
+Version 4.14.1 is a bug fix release.
+
+ - Fixed a bug in ``MongoClient.append_metadata()`` and ``AsyncMongoClient.append_metadata()``
+   that allowed duplicate ``DriverInfo.name`` to be appended to the metadata.
+
+Issues Resolved
+...............
+
+See the `PyMongo 4.14.1 release notes in JIRA`_ for the list of resolved issues
+in this release.
+
+.. _PyMongo 4.14.1 release notes in JIRA: https://jira.mongodb.org/secure/ReleaseNote.jspa?projectId=10004&version=45256
 
 Changes in Version 4.14.0 (2025/08/06)
 --------------------------------------
@@ -34,6 +49,14 @@ PyMongo 4.14 brings a number of changes including:
 - Changed :meth:`~pymongo.uri_parser.parse_uri`'s ``options`` return value to be
   type ``dict`` instead of ``_CaseInsensitiveDictionary``.
 
+Issues Resolved
+...............
+
+See the `PyMongo 4.14 release notes in JIRA`_ for the list of resolved issues
+in this release.
+
+.. _PyMongo 4.14 release notes in JIRA: https://jira.mongodb.org/secure/ReleaseNote.jspa?projectId=10004&version=43041
+
 Changes in Version 4.13.2 (2025/06/17)
 --------------------------------------