build(deps): bump stefanprodan/helm-gh-pages from 1.4.1 to 1.5.0 (#48)

Bumps [stefanprodan/helm-gh-pages](https://github.com/stefanprodan/helm-gh-pages) from 1.4.1 to 1.5.0.
- [Release notes](https://github.com/stefanprodan/helm-gh-pages/releases)
- [Commits](stefanprodan/helm-gh-pages@v1.4.1...v1.5.0)

---
updated-dependencies:
- dependency-name: stefanprodan/helm-gh-pages
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/release-publish.yml

@@ -15,7 +15,7 @@ jobs:
           fetch-depth: 0
 
       - name: Publish Helm charts
-        uses: stefanprodan/helm-gh-pages@v1.4.1
+        uses: stefanprodan/helm-gh-pages@v1.5.0
         with:
           helm_version: 3.4.0
           token: "${{ secrets.REPO_GHA_PAT }}"