feat(workflow): enable Helm support for AKS in test-e2e workflow

Author: pauldotyu

.github/workflows/test-e2e.yaml

@@ -38,6 +38,9 @@ jobs:
             --federated-credential-provider "github" \
             --tenant-id ${{ secrets.AZURE_TENANT_ID }}
 
+      - name: Turn on Helm support for AKS
+        run: azd config set alpha.aks.helm on
+
       - name: Provision and deploy
         run: azd up --no-prompt
         env: