fix flaky tool config
@@ -37,7 +37,7 @@ jobConfigs:
type: postsubmit
slackChannels:
- name: net-istio
- identity C012AK2FPK7
+ identity: C012AK2FPK7
- name: ci-knative-serving-istio-1.4-no-mesh
repo: serving
type: postsubmit
