REFACTOR(repo): standardize taint to control-plane

- Change node-role.kubernetes.io/master to control-plane
- Update velero, zot, postgresql, minio tolerations
- Change effect from NoExecute to NoSchedule (K3s standard)

postgresql/manifests/cluster.yaml

@@ -68,9 +68,9 @@ spec:
   affinity:
     podAntiAffinityType: preferred
     tolerations:
-      - key: "node-role.kubernetes.io/master"
+      - key: "node-role.kubernetes.io/control-plane"
         operator: "Exists"
-        effect: "NoExecute"
+        effect: "NoSchedule"
 
   # Enable superuser access
   enableSuperuserAccess: true