build(deps): bump Azure/setup-helm from 3 to 4

Bumps [Azure/setup-helm](https://github.com/azure/setup-helm) from 3 to 4.
- [Release notes](https://github.com/azure/setup-helm/releases)
- [Changelog](https://github.com/Azure/setup-helm/blob/main/CHANGELOG.md)
- [Commits](Azure/setup-helm@v3...v4)

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

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

.github/workflows/build.yaml

@@ -103,7 +103,7 @@ jobs:
       - name: Install dependencies
         run: go mod download
       - name: Install helm
-        uses: Azure/setup-helm@v3
+        uses: Azure/setup-helm@v4
         with:
           version: v3.14.0
       - name: Lint chart

.github/workflows/helm-install-smoketest.yaml

@@ -17,7 +17,7 @@ jobs:
           go-version: "1.22.x"
 
       - name: Install helm
-        uses: Azure/setup-helm@v3
+        uses: Azure/setup-helm@v4
         with:
           version: v3.14.0
 

.github/workflows/publish.yaml

@@ -100,7 +100,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install helm
-        uses: Azure/setup-helm@v3
+        uses: Azure/setup-helm@v4
         with:
           version: v3.14.0