Merge pull request #5067 from ethereum-optimism/zhwrd/chainmon-docker

INF-89 adds chain-mon docker builds to circleci

.circleci/config.yml

@@ -1132,6 +1132,13 @@ workflows:
           docker_tags: <<pipeline.git.revision>>,<<pipeline.git.branch>>
           context:
             - oplabs-gcr
+      - docker-publish:
+          name: chain-mon-docker-publish
+          docker_file: ./ops/docker/Dockerfile.packages
+          docker_name: chain-mon
+          docker_tags: <<pipeline.git.revision>>,<<pipeline.git.branch>>
+          context:
+            - oplabs-gcr
       - hive-test:
           name: hive-test-rpc
           version: <<pipeline.git.revision>>
@@ -1227,4 +1234,4 @@ workflows:
           context:
             - oplabs-gcr-release
           requires:
-            - hold
\ No newline at end of file
+            - hold