Update release date in CHANGELOG.rst (#145)

Author: KonradBreitsprecherBkd

docs/CHANGELOG.rst

@@ -6,7 +6,7 @@ All notable changes to the Vector SIL Kit project shall be documented in this fi
 
 The format is based on `Keep a Changelog (http://keepachangelog.com/en/1.0.0/) <http://keepachangelog.com/en/1.0.0/>`_.
 
-[4.0.54] - Unreleased
+[4.0.54] - 2024-11-11
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 Added