chore: bump k8s version for chart install testing

Author: sigilioso

.github/workflows/lint_test_charts.yaml

@@ -82,7 +82,7 @@ jobs:
         uses: manusa/[email protected]
         with:
           minikube version: v1.36.0
-          kubernetes version: v1.30.0
+          kubernetes version: v1.31.12
           github token: ${{ secrets.GITHUB_TOKEN }}
           driver: docker
           start args: "--container-runtime=containerd"