po: update cs.po (from translationproject.org)
po: update da.po (from translationproject.org)
po: update de.po (from translationproject.org)
po: merge changes

Signed-off-by: Karel Zak <kzak@redhat.com>
docs: update AUTHORS file

Signed-off-by: Karel Zak <kzak@redhat.com>
docs: update v2.24.2-ReleaseNotes

Signed-off-by: Karel Zak <kzak@redhat.com>
build-sys: release++ (v2.24.2)

Signed-off-by: Karel Zak <kzak@redhat.com>