[mutter] mutter.doap: Add marge-bot as a maintainer

[Jonas Ådahl <jadahl src gnome org>]

commit 682a8bdd8e9396ac2228a86094f7d1cdb9605a9c
Author: Jonas Ådahl <jadahl gmail com>
Date:   Wed Nov 4 21:32:03 2020 +0100

    mutter.doap: Add marge-bot as a maintainer
    
    So that it can merge things with an even more locked down master branch.
    It's given the name "Marge Bot", and the E-mail
    "gnome-shell-list gnome org" (even though it's being decomissioned) to
    make validators happy.
    
    https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1564

 mutter.doap | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/mutter.doap b/mutter.doap
index 99bc711adc..7bacd373bc 100644
--- a/mutter.doap
+++ b/mutter.doap
@@ -68,4 +68,10 @@ environment.</description>
       <gnome:userid>fmuellner</gnome:userid>
     </foaf:Person>
   </maintainer>
+  <maintainer>
+    <foaf:Person>
+      <foaf:name>Marge Bot</foaf:name>
+      <gnome:userid>marge-bot</gnome:userid>
+    </foaf:Person>
+  </maintainer>
 </Project>