message: fix(workflows/update-webref): prevent diff failure report
  Getting non-zero exit code from `git diff` is not really a failure.
diff: @@ -22,9 +22,11 @@ jobs:
  continue-on-error: true
  - run: npm run build && npm run baseline-accept
  if: ${{ steps.run-update-webref.outcome == 'success' }}
  - - run: git diff --quiet HEAD baselines
  + - id: git-diff
  + run: git diff --quiet HEAD baselines
  + continue-on-error: true
  - uses: peter-evans/create-pull-request@v3
  - if: ${{ failure() }}
  + if: ${{ steps.git-diff.outcome == 'failure' }}
  with:
  commit-message: "chore(package): update webref"
  title: "chore(package): update webref"
  