Make gerred to admin

Been active in reviews, very invested in this project and happy to help continue guiding CR to be an amazing tool!

Author: gerred

OWNERS_ALIASES

@@ -5,11 +5,11 @@ aliases:
   - directxman12
   - droot
   - pwittrock
+  - gerred
   controller-runtime-maintainers: []
   controller-runtime-reviewers:
   - alvaroaleman
   - shawn-hurley
-  - gerred
   - joelanford
   testing-integration-admins:
   - apelisse