chore: add dispatch back

Author: YiniXu9506

.github/workflows/dispatch.yml

@@ -20,10 +20,10 @@ jobs:
         echo "::set-output name=repo::$(cut -d'/' -f2 <<< ${{ github.repository }})"
         echo "::set-output name=sha::$(sha=${{ github.sha }}; echo ${sha:0:6})"
 
-    # - name: Repository Dispatch
-    #   uses: peter-evans/repository-dispatch@v1.1.1
-    #   with:
-    #       token: ${{ secrets.PR_TRIGGER_BUILD_TOKEN }}
-    #       repository: pingcap/website-docs/
-    #       event-type: ${{ steps.extract_info.outputs.repo }}/${{ steps.extract_info.outputs.branch }}-${{ steps.extract_info.outputs.sha }}
-    #       client-payload: '{"ref": "${{ github.ref }}", "sha": "${{ github.sha }}", "repo": "${{ github.repository }}"}'
+    - name: Repository Dispatch
+      uses: peter-evans/repository-dispatch@v1.1.1
+      with:
+          token: ${{ secrets.PR_TRIGGER_BUILD_TOKEN }}
+          repository: pingcap/website-docs/
+          event-type: ${{ steps.extract_info.outputs.repo }}/${{ steps.extract_info.outputs.branch }}-${{ steps.extract_info.outputs.sha }}
+          client-payload: '{"ref": "${{ github.ref }}", "sha": "${{ github.sha }}", "repo": "${{ github.repository }}"}'