Sync admins & maintainers with kubernetes/org

Signed-off-by: Stefan Büringer [email protected]

Author: sbueringer

OWNERS_ALIASES

@@ -4,13 +4,17 @@ aliases:
   # active folks who can be contacted to perform admin-related
   # tasks on the repo, or otherwise approve any PRS.
   controller-tools-admins:
-    - vincepri
+    - alvaroaleman
     - joelanford
+    - sbueringer
+    - vincepri
 
   # non-admin folks who can approve any PRs in the repo
   controller-tools-maintainers:
     - alvaroaleman
+    - joelanford
     - sbueringer
+    - vincepri
 
   # non-admin folks who can approve any PRs in the repo
   controller-tools-approvers: