fixing typo in push tekton config

Signed-off-by: Rakshitha-Kamath <[email protected]>

Author: Rakshitha-Kamath

.tekton/rhceph-container-8-1-push.yaml

@@ -627,7 +627,7 @@ spec:
     - name: netrc
       optional: true
   taskRunTemplate:
-    serviceAccountName: build-pipeline-rhceph-container-8.1
+    serviceAccountName: build-pipeline-rhceph-container-8-1
   workspaces:
   - name: git-auth
     secret: