Merge pull request #47 from steadybit/dependabot/github_actions/helm/chart-testing-action-2.7.0

chore(deps): bump helm/chart-testing-action from 2.6.1 to 2.7.0

Author: github-actions[bot]

.github/workflows/reusable-extension-ci.yml

@@ -432,7 +432,7 @@ jobs:
         run: make charttesting
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@v2.6.1
+        uses: helm/chart-testing-action@v2.7.0
 
       - name: Run chart-testing (lint)
         run: make chartlint