fix: if syntax error in k8s_test

Author: andhreljaKern

.github/workflows/k8s_test.yml

@@ -32,7 +32,7 @@ jobs:
     name: 'K8: Test'
     runs-on: [self-hosted, dev]
     needs: [call-az-acr-push-test, call-k8-db-upgrade]
-    if: !failure()
+    if: ${{ !failure() }}
     environment: dev
     env:
       KUBELOGIN_VERSION: "v0.0.25"