Update .github/workflows/validate.yml

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: mrm9084

.github/workflows/validate.yml

@@ -18,7 +18,9 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         python -m pip install ".[dev]"
-    - uses: psf/black@26.3.0
+    - name: Check code formatting with black
+      run: |
+        python -m black --check featuremanagement
     - name: Analysing the code with pylint
       run: |
         pylint featuremanagement