Merge pull request #3525 from abraham2512/fix-label-ztp-tekton-release-4.21

[release-4.21] Update ztp-site-generate label to include rhel8 suffix

Author: openshift-merge-bot[bot]

.tekton/ztp-site-generate-4-21-pull-request.yaml

@@ -317,7 +317,7 @@ spec:
         - description=Container Image for Argo CD integration with ACM
         - distribution-scope=public
         - io.k8s.description=ztp-site-generate
-        - name=openshift4/ztp-site-generate
+        - name=openshift4/ztp-site-generate-rhel8
         - release=4.21
         - url=https://github.com/openshift-kni/cnf-features-deploy
         - vendor=Red Hat, Inc.

.tekton/ztp-site-generate-4-21-push.yaml

@@ -314,7 +314,7 @@ spec:
         - description=Container Image for Argo CD integration with ACM
         - distribution-scope=public
         - io.k8s.description=ztp-site-generate
-        - name=openshift4/ztp-site-generate
+        - name=openshift4/ztp-site-generate-rhel8
         - release=4.21
         - url=https://github.com/openshift-kni/cnf-features-deploy
         - vendor=Red Hat, Inc.