Enable coverage reports for PR diffs (#19505)
Enable coverage reports for PR diffs (#19505)

The codecov/patch status only measures lines adjusted in the pull request or single commit, if the commit is not in a pull request. This status provides an indication on how well the pull request is tested.
apache/incubator-mxnet,leezu/mxnet,szha/mxnet,apache/incubator-mxnet,szha/mxnet,szha/mxnet,DickJC123/mxnet,tlby/mxnet,apache/incubator-mxnet,szha/mxnet,tlby/mxnet,szha/mxnet,apache/incubator-mxnet,tlby/mxnet,DickJC123/mxnet,leezu/mxnet,leezu/mxnet,tlby/mxnet,tlby/mxnet,leezu/mxnet,szha/mxnet,leezu/mxnet,tlby/mxnet,tlby/mxnet,DickJC123/mxnet,leezu/mxnet,DickJC123/mxnet,szha/mxnet,leezu/mxnet,tlby/mxnet,leezu/mxnet,szha/mxnet,szha/mxnet,tlby/mxnet,tlby/mxnet,leezu/mxnet