[gimp] desktop: AppData tag for GIMP 2.10.30.

[Jehan <jehanp src gnome org>]

commit 321cdd9d0445b7adf5e8582409a91e93141325b1
Author: Jehan <jehan girinstud io>
Date:   Sun Dec 19 20:11:16 2021 +0100

    desktop: AppData tag for GIMP 2.10.30.
    
    Sorry to translators! I guess this one won't be localized then, but it's
    ok. This release was a bit unplanned.
    
    (cherry picked from commit b270728177574a260861a78cba5cd8ec1338155d)

 desktop/org.gimp.GIMP.appdata.xml.in.in | 9 +++++++++
 1 file changed, 9 insertions(+)
---
diff --git a/desktop/org.gimp.GIMP.appdata.xml.in.in b/desktop/org.gimp.GIMP.appdata.xml.in.in
index 18020081b9..5adc7cf456 100644
--- a/desktop/org.gimp.GIMP.appdata.xml.in.in
+++ b/desktop/org.gimp.GIMP.appdata.xml.in.in
@@ -232,6 +232,15 @@
       </description>
     </release>
 
+    <release version="2.10.30" date="2021-12-19">
+      <description>
+        <_p>
+          GIMP 2.10.30 fixes many bugs, updates backend implementations
+          to follow OS evolutions, improves metadata support as well as
+          support of several formats, such as PSD and AVIF.
+        </_p>
+      </description>
+    </release>
     <release version="2.10.28" date="2021-09-14">
       <description>
         <_p>