build(deps): bump losisin/helm-docs-github-action from 1.3.6 to 1.4.0

Bumps [losisin/helm-docs-github-action](https://github.com/losisin/helm-docs-github-action) from 1.3.6 to 1.4.0.
- [Release notes](https://github.com/losisin/helm-docs-github-action/releases)
- [Commits](losisin/helm-docs-github-action@v1.3.6...v1.4.0)

---
updated-dependencies:
- dependency-name: losisin/helm-docs-github-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/release.yaml

@@ -39,7 +39,7 @@ jobs:
           done
 
       - name: Run helm-docs
-        uses: losisin/helm-docs-github-action@v1.3.6
+        uses: losisin/helm-docs-github-action@v1.4.0
         with:
           chart-search-root: zazuko
           git-push: true