[MOD] README.md and CHANGELOG.md

Author: alexnuttinck

.github/workflows/update-main-version.yml

@@ -1,5 +1,9 @@
 # Changelog
 
+## [v3.9.5] - 2024-09-20
+### Added
+- Add gha workflow to update main release
+
 ## [v3.9.4] - 2024-09-19
 ### Changed
 - plone-package-test-notify

CHANGELOG.md

@@ -267,12 +267,12 @@ Add tags to a docker image and optionally notify via a mattermost webhook
 ### Release
 
 A new release is issued when a tag beginning with v is pushed.
+The main release (for instance v3) will also be updated with the latest tag.
 
 The release note is auto populated with the "[tag]" part of the CHANGELOG.md .
 
 [See CHANGELOG.md file for an example](https://github.com/IMIO/gha/blob/66f298e6e5081e5e917df21e1036c6fa52246a8d/CHANGELOG.md?plain=1#L3)
 
-
 You can push a tag this way :
 
 ```