Change to localhost for alloydb proxy allowed connections.

Author: dspeck1

applications/prompt-pub/templates/statefulset.yaml

@@ -87,7 +87,7 @@ spec:
           command:
             - "/alloydb-auth-proxy"
             - "--public-ip"
-            - "--address=0.0.0.0"
+            - "--address=127.0.0.1"
             - "--port=5432"
             - "--credentials-file"
             - "/opt/lsst/secrets/alloy-db/key.json"