ci: simplify pr check succeeds with re-actors/all-greens

Author: ketozhang

Diff for: .github/workflows/pr.yml

@@ -37,3 +37,13 @@ jobs:
       run: hatch -e ${{ matrix.hatch-env-name }} run test-cov
     - name: Coverage report
       run: hatch run cov-report
+
+  check:
+    name: check all unit tests pass
+    runs-on: ubuntu-latest
+    needs: test
+    steps:
+    - name: Decide whether the needed jobs succeeded or failed
+      uses: re-actors/alls-green@release/v1
+      with:
+        jobs: ${{ toJSON(needs) }}