Update lint-test.yml

Author: sre-ci-robot

.github/workflows/lint-test.yml

@@ -31,7 +31,7 @@ jobs:
           helm repo add bitnami-full-index https://raw.githubusercontent.com/bitnami/charts/archive-full-index/bitnami
       - uses: actions/setup-python@v2
         with:
-          python-version: 3.7.1
+          python-version: 3.7.17
 
       - name: Set up chart-testing
         uses: helm/chart-testing-action@v2.1.0