Update K8s config files to release versions

Author: ilayaperumalg

src/kubernetes/grafana/grafana-deployment.yaml

@@ -14,7 +14,7 @@ spec:
         app: grafana
     spec:
       containers:
-        - image: springcloud/spring-cloud-dataflow-grafana-prometheus:2.4.0.BUILD-SNAPSHOT
+        - image: springcloud/spring-cloud-dataflow-grafana-prometheus:2.4.1.RELEASE
           name: grafana
           env:
             - name: GF_SECURITY_ADMIN_USER

src/kubernetes/server/server-deployment.yaml

@@ -16,7 +16,7 @@ spec:
     spec:
       containers:
       - name: scdf-server
-        image: springcloud/spring-cloud-dataflow-server:2.4.0.BUILD-SNAPSHOT
+        image: springcloud/spring-cloud-dataflow-server:2.4.1.RELEASE
         imagePullPolicy: Always
         ports:
         - containerPort: 80
@@ -41,7 +41,7 @@ spec:
         - name: SPRING_CLOUD_DATAFLOW_FEATURES_SCHEDULES_ENABLED
           value: 'true'
         - name: SPRING_CLOUD_DATAFLOW_TASK_SCHEDULER_TASK_LAUNCHER_URL
-          value: 'docker://springcloud/spring-cloud-dataflow-scheduler-task-launcher:2.4.0.BUILD-SNAPSHOT'
+          value: 'docker://springcloud/spring-cloud-dataflow-scheduler-task-launcher:2.4.1.RELEASE'
         - name: SPRING_CLOUD_KUBERNETES_SECRETS_ENABLE_API
           value: 'true'
         - name: SPRING_CLOUD_KUBERNETES_SECRETS_NAME

src/kubernetes/skipper/skipper-deployment.yaml

@@ -16,7 +16,7 @@ spec:
     spec:
       containers:
       - name: skipper
-        image: springcloud/spring-cloud-skipper-server:2.3.0.BUILD-SNAPSHOT
+        image: springcloud/spring-cloud-skipper-server:2.3.1.RELEASE
         imagePullPolicy: Always
         ports:
         - containerPort: 80