chore(deps): update helm/chart-testing-action action to v2.6.1 (#134)

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/test.yaml

@@ -48,7 +48,7 @@ jobs:
           check-latest: true
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@b43128a8b25298e1e7b043b78ea6613844e079b1 # v2.6.0
+        uses: helm/chart-testing-action@e6669bcd63d7cb57cb4380c33043eebe5d111992 # v2.6.1
 
       - name: Run chart-testing (list-changed)
         id: list-changed