set batch: true

.github/workflows/release-rc.yml

@@ -76,6 +76,7 @@ jobs:
       uses: seebees/aws-codebuild-run-build@support-batch # https://github.com/aws-actions/aws-codebuild-run-build/pull/59
       with:
         project-name: growi-official-image-builder
+        batch: true
         env-vars-for-codebuild: |
           TAGS
       env: