chore: update workflow [skip ci]

.github/workflows/pull_request.yml

@@ -1,5 +1,6 @@
 name: Pull Request
 on:
+  workflow_dispatch: 
   pull_request:
     branches:
       - main
@@ -34,7 +35,7 @@ jobs:
       - name: Generate coverage report
         run: go tool cover -html=coverage.out -o coverage.html
       - name: Upload test coverage
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v3
         with:
           name: coverage-report
           path: coverage.html