fix: setup Python env for tiobe ci

Also shallow checkout like the other workflows

.github/workflows/tics.yaml

@@ -11,6 +11,13 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
 
       - name: Install dependencies
         run: |