fix(mail): Defuse restrictions preventing pod spawns

apps/base/mail/namespace.yaml

@@ -4,7 +4,7 @@ metadata:
   name: mail
   labels:
     pod-security.kubernetes.io/audit: restricted
-    pod-security.kubernetes.io/enforce: baseline
+    pod-security.kubernetes.io/enforce: privileged
     pod-security.kubernetes.io/warn: restricted
     pod-security.kubernetes.io/audit-version: v1.23
     pod-security.kubernetes.io/enforce-version: v1.23