Python venv for guidelines enforcer

.github/workflows/guidelines_enforcer.yml

@@ -19,7 +19,21 @@ on:
   pull_request:
 
 jobs:
+  setup_and_install:
+    name: Setup Python and Install Dependencies
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+      - name: Create and activate virtual environment
+        run: |
+          python -m venv venv
+          source venv/bin/activate
+
   guidelines_enforcer:
-    if: github.event.repository.private == false
     name: Call Ledger guidelines_enforcer
-    uses: LedgerHQ/ledger-app-workflows/.github/workflows/reusable_guidelines_enforcer.yml@v1
+    needs: setup_and_install
+    uses: LedgerHQ/ledger-app-workflows/.github/workflows/reusable_guidelines_enforcer.yml@v1