Adjust changed github name for Arno Schneider.

Signed-off-by: Kurt Garloff <[email protected]>

Author: garloff

orgs/SovereignCloudStack/data.yaml

@@ -277,7 +277,7 @@ members:
   - name: Jan Klare
     login: jklare
   - name: Arno Schneider
-    login: arnoschneidunia
+    login: schneidarno
   - name: Lisa Seifert
     login: selis-osba