ci: Update pr-check.yml (#3207)

add doc requirement for refactor.

.github/workflows/pr-check.yml

@@ -77,7 +77,7 @@ jobs:
       id: pr-regex-match
       with:
         text: ${{ github.event.pull_request.title }}
-        regex: 'feat.*'
+        regex: 'feat.*|refactor.*'
 
     - if: ${{ steps.pr-regex-match.outputs.match != '' && steps.doc-changes.outputs.src == 'false' }}
       run: |
@@ -87,4 +87,4 @@ jobs:
         echo " ❌ Uh oh! ❌ \n
              We suggest that a PR with type @feat should has corresponding documentations. \n
              If you believe this PR could be merged without documentation, please add @yecol as an extra reviewer for confirmation."
-        exit 1
+        exit 1