fix: update creation of arc ns for aks (#13)

Author: ibersanoMS

.github/workflows/deploy-runners-standalone-aks.yml

@@ -163,7 +163,7 @@ jobs:
             - name: Install Actions Runner Controller 
               working-directory: 'src/manifests'
               run: |
-                kubectl create namespace actions-runner-system
+                kubectl describe ns actions-runner-system || kubectl create namespace actions-runner-system
                 if [ $(kubectl get secret -n actions-runner-system controller-manager --output='name') == 'secret/controller-manager' ]; then
                   kubectl delete secret controller-manager -n actions-runner-system
                   kubectl create secret generic controller-manager -n actions-runner-system --from-literal=github_token=${{ secrets.GH_PAT }}