build(deps): bump azure/setup-helm from 2.0 to 2.1

Bumps [azure/setup-helm](https://github.com/azure/setup-helm) from 2.0 to 2.1.
- [Release notes](https://github.com/azure/setup-helm/releases)
- [Commits](https://github.com/azure/setup-helm/compare/v2.0...v2.1)

---
updated-dependencies:
- dependency-name: azure/setup-helm
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/helm.yml

@@ -26,7 +26,7 @@ jobs:
           make helm.generate
 
       - name: Set up Helm
-        uses: azure/setup-helm@v2.0
+        uses: azure/setup-helm@v2.1
         with:
           version: v3.4.2
 
@@ -62,7 +62,7 @@ jobs:
           git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
 
       - name: Set up Helm
-        uses: azure/setup-helm@v2.0
+        uses: azure/setup-helm@v2.1
         with:
           version: v3.4.2