Merge pull request #24962 from protocolbuffers/adding-missing-comma

Adding missing comma to Protobuf maintainers metadata

Author: karenwuz

.bcr/metadata.template.json

@@ -104,7 +104,7 @@
       "github": "pilgrimmemoirs",
       "name": "Jamie Pilgrim",
       "do_not_notify": true
-    }
+    },
     {
       "email": "karenwuz@google.com",
       "github": "karenwuz",