Heads-up: we are sunsetting distribution of Ubuntu 18.04 binary packages (#205)

For the next release, we will provide 18.04 and 24.04 packages.
Then, only 24.04 binary distributions will be released (zip files containing docs, binaries and source).

Author: MariusBgm

docs/CHANGELOG.rst

@@ -10,6 +10,12 @@ The format is based on `Keep a Changelog (http://keepachangelog.com/en/1.0.0/) <
 [4.0.56] - UNRELEASED
 ---------------------
 
+.. admonition:: Note: the Ubuntu 18.04 binary distribution package is deprecated
+
+   We are sunsetting the distribution of Ubuntu 18.04 packages with this release.
+   With the next release, we will provide Ubuntu 24.04 binary distribution packages instead.
+
+
 Fixed
 ~~~~~