[at-spi2-core] Add Federico Mena Quintero to maintainers

[Mike Gorse <mgorse src gnome org>]

commit a61f14ef0f854f46c453fff7baacbbb7a5fb9a61
Author: Mike Gorse <mgorse suse com>
Date:   Thu Dec 16 11:18:57 2021 -0600

    Add Federico Mena Quintero to maintainers

 at-spi2-core.doap | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/at-spi2-core.doap b/at-spi2-core.doap
index 85d64dfe..7c1cde3f 100644
--- a/at-spi2-core.doap
+++ b/at-spi2-core.doap
@@ -29,4 +29,11 @@ wrapper around the DBus interfaces.</description>
       <gnome:userid>mgorse</gnome:userid>
     </foaf:Person>
   </maintainer>
+  <maintainer>
+    <foaf:Person>
+      <foaf:name>Federico Mena Quintero</foaf:name>
+      <foaf:mbox rdf:resource="mailto:federico gnome org" />
+      <gnome:userid>federico</gnome:userid>
+    </foaf:Person>
+  </maintainer>
 </Project>