Fix incorrect name for nodegroup create task (awslabs#336)

This commit fixes incorrect name for nodegroup task.

Signed-off-by: Ashish Ranjan <[email protected]>

Signed-off-by: Ashish Ranjan <[email protected]>

Author: ashishranjan738

tests/tasks/setup/eks/awscli-mng.yaml

@@ -2,7 +2,7 @@
 apiVersion: tekton.dev/v1beta1
 kind: Task
 metadata:
-  name: awscli-eks-nodegroup
+  name: awscli-eks-nodegroup-create
   namespace: tekton-pipelines
 spec:
   description: |