Update dependency python to v3.13.5

Author: renovate[bot]

.github/workflows/ci.yml

@@ -113,7 +113,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.x'
+          python-version: '3.13.5'
 
       - name: Set up chart-testing
         uses: helm/[email protected]

.github/workflows/helm-release.yml

@@ -40,7 +40,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: '3.x'
+          python-version: '3.13.5'
 
       - name: Set up chart-testing
         uses: helm/[email protected]