Updated helm chart to use image v6.8.0 and some minor improvements (#600)

.github/workflows/chart-test.yaml

@@ -15,7 +15,7 @@ jobs:
       - name: Install helm-docs
         working-directory: /tmp
         env:
-          HELM_DOCS_URL: https://github.com/norwoodj/helm-docs/releases/download/v1.11.0/helm-docs_1.11.0_Linux_x86_64.tar.gz
+          HELM_DOCS_URL: https://github.com/norwoodj/helm-docs/releases/download/v1.11.3/helm-docs_1.11.3_Linux_x86_64.tar.gz
         run: |
           curl -LSs $HELM_DOCS_URL | tar xz && \
           mv ./helm-docs /usr/local/bin/helm-docs && \
@@ -30,6 +30,7 @@ jobs:
         uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
         with:
           fetch-depth: 0
+
       - name: Check if documentation is up-to-date
         run: helm-docs && git diff --exit-code HEAD