message: ci: do not require g3 checks for the changes in `packages/zone.js/dist` folder
  This commit updates ngbot config to avoid requesting google3 presubmit for the changes in
  the `packages/zone.js/dist` folder (which is not synced into google3).
  PR Close
diff: @@ -68,6 +68,7 @@ merge:
  - "packages/**/integrationtest/**"
  - "packages/**/test/**"
  - "packages/zone.js/*"
  + - "packages/zone.js/dist/**"
  - "packages/zone.js/doc/**"
  - "packages/zone.js/example/**"
  - "packages/zone.js/scripts/**"
  