message: ci: exclude **/third_party/** from google3 check
  this pattern is being excluded in copybara. see cl/234807990.
  PR Close
diff: @@ -57,6 +57,7 @@ merge:
  - "**/.gitkeep"
  - "**/yarn.lock"
  - "**/package.json"
  + - "**/third_party/**"
  - "**/tsconfig-build.json"
  - "**/tsconfig.json"
  - "**/BUILD.bazel"
  