Eclipse versions should be updated in the do_release branch

[marcadetd]

It stays unqualified in MANIFEST.MF

May be with https://tycho.eclipseprojects.io/doc/latest/tycho-versions-plugin/update-eclipse-metadata-mojo.html

[create-issue-branch]

Branch issue-73-Eclipse_versions_should_be_updated_in_the_do_release_branch created!