chore(deps): update azure/setup-helm action to v5 (#5011)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [azure/setup-helm](https://github.com/azure/setup-helm) | action | major | `v4` → `v5` |

---

### Release Notes

<details>
<summary>azure/setup-helm (azure/setup-helm)</summary>

### [`v5`](https://github.com/azure/setup-helm/compare/v4...v5)

[Compare Source](https://github.com/azure/setup-helm/compare/v4...v5)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My44NC4yIiwidXBkYXRlZEluVmVyIjoiNDMuODQuMiIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOltdfQ==-->

Reviewed-on: #5011
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

.gitea/workflows/lint-test-helm.yaml

@@ -58,7 +58,7 @@ jobs:
 
       - name: Set Up Helm
         if: steps.branch-exists.outputs.exists == 'true'
-        uses: azure/setup-helm@1a275c3b69536ee54be43f2070a358922e12c8d4 # v4
+        uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5
         with:
           token: ${{ secrets.GITEA_TOKEN }}
           # renovate: datasource=github-releases depName=helm/helm
@@ -257,7 +257,7 @@ jobs:
           echo "----"
 
       - name: Set Up Helm
-        uses: azure/setup-helm@1a275c3b69536ee54be43f2070a358922e12c8d4 # v4
+        uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5
         with:
           token: ${{ secrets.GITEA_TOKEN }}
           # renovate: datasource=github-releases depName=helm/helm

.gitea/workflows/render-manifests.yaml

@@ -43,7 +43,7 @@ jobs:
           path: infrastructure-manifests
 
       - name: Set Up Helm
-        uses: azure/setup-helm@1a275c3b69536ee54be43f2070a358922e12c8d4 # v4
+        uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5
         with:
           token: ${{ secrets.GITEA_TOKEN }}
           version: v3.17.2 # Pending https://github.com/helm/helm/pull/30743