build(deps): bump azure/setup-helm from 4 to 5

Bumps [azure/setup-helm](https://github.com/azure/setup-helm) from 4 to 5.
- [Release notes](https://github.com/azure/setup-helm/releases)
- [Changelog](https://github.com/Azure/setup-helm/blob/main/CHANGELOG.md)
- [Commits](Azure/setup-helm@v4...v5)

---
updated-dependencies:
- dependency-name: azure/setup-helm
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -165,7 +165,7 @@ jobs:
           cluster_name: imp-e2e
 
       - name: Install Helm CLI
-        uses: azure/setup-helm@v4
+        uses: azure/setup-helm@v5
 
       - name: Build local E2E images
         run: |

.github/workflows/nightly-e2e-cilium-heavy.yml

@@ -48,7 +48,7 @@ jobs:
           cilium status --wait
 
       - name: Install Helm
-        uses: azure/setup-helm@v4
+        uses: azure/setup-helm@v5
 
       - name: Build local E2E images
         run: |

.github/workflows/nightly-e2e.yml

@@ -30,7 +30,7 @@ jobs:
           cluster_name: imp-nightly-smoke
 
       - name: Install Helm
-        uses: azure/setup-helm@v4
+        uses: azure/setup-helm@v5
 
       - name: Build local E2E images
         run: |