Decrease grace_period from 10m to 1m for cucushift-e2e (openshift#58903)

Author: liangxia

ci-operator/step-registry/cucushift/e2e/cucushift-e2e-ref.yaml

@@ -4,7 +4,7 @@ ref:
     namespace: ci
     name: verification-tests
     tag: latest
-  grace_period: 10m
+  grace_period: 1m
   timeout: 16h
   commands: cucushift-e2e-commands.sh
   cli: latest

ci-operator/step-registry/cucushift/e2e/devel/cucushift-e2e-devel-ref.yaml

@@ -4,7 +4,7 @@ ref:
     namespace: ci
     name: verification-tests
     tag: devel
-  grace_period: 10m
+  grace_period: 1m
   timeout: 16h
   commands: cucushift-e2e-devel-commands.sh
   cli: latest