Don't verify redhat-appstudio/dance-bootstrap-app

Since the Jenkins version of this is merged now, see [1], let's
merge this one also to be consistent.

(There should also be an upstream PR in the build-definitions repo
at some point.)

[1] redhat-appstudio/tssc-sample-jenkins#5

Ref: https://issues.redhat.com/browse/RHTAPBUGS-1284

pac/tasks/gather-deploy-images.yaml

@@ -53,6 +53,13 @@ spec:
             # don't check images that didn't change between the current revision and the target branch
             continue
           fi
+
+        fi
+
+        # Workaround for RHTAPBUGS-1284
+        if [[ "$image" =~ "quay.io/redhat-appstudio/dance-bootstrap-app" ]]; then
+          # Don't check the dance-bootstrap-app image
+          continue
         fi
 
         printf "%s\n" "$image"