Fix typo.

generic-pipelines/simple-ros-pipeline.yaml

@@ -43,7 +43,7 @@ spec:
       value: ./docker/Dockerfile
     - name: registry-login-secret-name
       value: $(params.registry-login-secret-name)
-    - names: cosign-secret-name
+    - name: cosign-secret-name
       value: container-signing-secret
     taskRef:
       name: j7s-buildah