chore(deps): update dependency python to 3.14

Author: renovate[bot]

.github/workflows/chart-testing.yaml

@@ -22,7 +22,7 @@ jobs:
 
       - uses: actions/setup-python@v6
         with:
-          python-version: "3.13"
+          python-version: "3.14"
           check-latest: true
 
       - name: Set up chart-testing