Downgrading python version in ci

Author: sfotony

.github/workflows/ci-chart.yaml

@@ -18,7 +18,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
-          python-version: '3.14'
+          python-version: '3.12'
           check-latest: true
       - name: Set up chart-testing
         uses: helm/[email protected]