[gthumb] (2 commits) ...Merge branch '224-appstreamcli' into 'master'

From: Paolo Bacchilega <paobac src gnome org>
To: commits-list gnome org
Cc:
Subject: [gthumb] (2 commits) ...Merge branch '224-appstreamcli' into 'master'
Date: Fri, 29 Apr 2022 05:43:10 +0000 (UTC)

Summary of changes:

  8316a46... Add release notes to appdata file in the tarball
  130a07a... Merge branch '224-appstreamcli' into 'master'