fix: improve change detection for GHAs (#27904)

.github/workflows/superset-python-unittest.yml

@@ -6,18 +6,8 @@ on:
     branches:
       - "master"
       - "[0-9].[0-9]"
-    paths:
-      - "superset/**"
-      - "requirements/**"
-      - "tests/unit_tests/**"
-      - "scripts/**"
   pull_request:
     types: [synchronize, opened, reopened, ready_for_review]
-    paths:
-      - "superset/**"
-      - "requirements/**"
-      - "tests/unit_tests/**"
-      - "scripts/**"
 
 # cancel previous workflow jobs for PRs
 concurrency:
@@ -38,26 +28,24 @@ jobs:
         with:
           persist-credentials: false
           submodules: recursive
-      - name: Check if python changes are present
+      - name: Check for file changes
         id: check
-        env:
-          GITHUB_REPO: ${{ github.repository }}
-          PR_NUMBER: ${{ github.event.pull_request.number }}
-        continue-on-error: true
-        run: ./scripts/ci_check_no_file_changes.sh python
+        uses: ./.github/actions/change-detector/
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
       - name: Setup Python
         uses: ./.github/actions/setup-backend/
-        if: steps.check.outcome == 'failure'
+        if: steps.check.outputs.python
         with:
           python-version: ${{ matrix.python-version }}
       - name: Python unit tests
-        if: steps.check.outcome == 'failure'
+        if: steps.check.outputs.python
         env:
           SUPERSET_TESTENV: true
           SUPERSET_SECRET_KEY: not-a-secret
         run: |
           pytest --durations-min=0.5 --cov-report= --cov=superset ./tests/common ./tests/unit_tests --cache-clear
       - name: Upload code coverage
-        if: steps.check.outcome == 'failure'
+        if: steps.check.outputs.python
         run: |
           bash .github/workflows/codecov.sh -c -F python -F unit