MGDAPI-6853 Bump prow in CRO to ocp 4.19 (openshift#70321)

Author: valerymo

ci-operator/config/integr8ly/cloud-resource-operator/integr8ly-cloud-resource-operator-master.yaml

@@ -24,12 +24,12 @@ promotion:
 releases:
   initial:
     integration:
-      name: "4.17"
+      name: "4.19"
       namespace: ocp
   latest:
     integration:
       include_built_images: true
-      name: "4.17"
+      name: "4.19"
       namespace: ocp
 resources:
   '*':
@@ -56,7 +56,7 @@ tests:
     owner: rhoam
     product: ocp
     timeout: 1h30m0s
-    version: "4.17"
+    version: "4.19"
   steps:
     test:
     - as: test