Update losisin/helm-docs-github-action action to v1.6.2 (#69)

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

.github/workflows/docs_update.yaml

@@ -19,7 +19,7 @@ jobs:
         fetch-depth: 0
 
     - name: Helm Docs GitHub Action
-      uses: losisin/helm-docs-github-action@7b7955b018c87e10abf75fec0e8fe459556aec68 # v1.5.1
+      uses: losisin/helm-docs-github-action@a57fae5676e4c55a228ea654a1bcaec8dd3cf5b5 # v1.6.2
       with:
         git-push: true
         git-commit-message: "docs(charts): :memo: write updated reademe"