OWNERS_ALIASES: add estroz to approvers

Author: estroz

OWNERS_ALIASES

@@ -12,14 +12,14 @@ aliases:
   # non-admin folks who can approve any PRs in the repo
   kubebuilder-approvers:
     - camilamacedo86
+    - estroz
 
   # folks who can review and LGTM any PRs in the repo (doesn't include
   # approvers & admins -- those count too via the OWNERS file)
   kubebuilder-reviewers:
     - joelanford
-    - estroz
     - adirio
 
   # folks who may have context on ancient history,
   # but are no longer directly involved
-  # kubebuilder-emeritus-approvers: 
+  # kubebuilder-emeritus-approvers: