message: update mergify rules
diff: @@ -2,7 +2,19 @@ pull_request_rules:
  - name: automatic merge for Dependabot pull requests
  conditions:
  - author=dependabot-preview[bot]
  + - status-success=bundlesize
  - status-success=continuous-integration/travis-ci/pr
  actions:
  merge:
  method: merge
  + - name: merge when all requested reviews are valid
  + conditions:
  + - status-success=continuous-integration/travis-ci/pr
  + - status-success=bundlesize
  + - '#approved-reviews-by>=1'
  + - '#review-requested=0'
  + - '#changes-requested-reviews-by=0'
  + - '#commented-reviews-by=0'
  + actions:
  + merge:
  + method: merge
  