Use the read-only replica for JPA invoicing (#1494)

* Use the read-only replica for JPA invoicing

core/src/main/resources/google/registry/beam/invoicing_pipeline_metadata.json

@@ -69,6 +69,12 @@
       "regexes": [
         "^DATASTORE|CLOUD_SQL$"
       ]
+    },
+    {
+      "name": "jpaTransactionManagerType",
+      "label": "The type of JPA transaction manager to use if using SQL",
+      "helpText": "The standard SQL instance or a read-only replica may be used",
+      "regexes": ["^REGULAR|READ_ONLY_REPLICA$"]
     }
   ]
 }