Use ubuntu_rat container for rat check (#14678)
Use ubuntu_rat container for rat check (#14678)


zhreshold/mxnet,szha/mxnet,eric-haibin-lin/mxnet,ForkedReposBak/mxnet,yajiedesign/mxnet,ForkedReposBak/mxnet,larroy/mxnet,yajiedesign/mxnet,apache/incubator-mxnet,eric-haibin-lin/mxnet,sxjscience/mxnet,eric-haibin-lin/mxnet,yajiedesign/mxnet,szha/mxnet,sxjscience/mxnet,leezu/mxnet,sxjscience/mxnet,zhreshold/mxnet,eric-haibin-lin/mxnet,larroy/mxnet,larroy/mxnet,yajiedesign/mxnet,tlby/mxnet,sxjscience/mxnet,sxjscience/mxnet,DickJC123/mxnet,tlby/mxnet,szha/mxnet,yajiedesign/mxnet,zhreshold/mxnet,yajiedesign/mxnet,ForkedReposBak/mxnet,tlby/mxnet,zhreshold/mxnet,DickJC123/mxnet,reminisce/mxnet,szha/mxnet,sxjscience/mxnet,eric-haibin-lin/mxnet,ForkedReposBak/mxnet,DickJC123/mxnet,eric-haibin-lin/mxnet,zhreshold/mxnet,reminisce/mxnet,leezu/mxnet,szha/mxnet,leezu/mxnet,szha/mxnet,eric-haibin-lin/mxnet,apache/incubator-mxnet,ForkedReposBak/mxnet,leezu/mxnet,tlby/mxnet,tlby/mxnet,larroy/mxnet,leezu/mxnet,szha/mxnet,tlby/mxnet,leezu/mxnet,szha/mxnet,reminisce/mxnet,sxjscience/mxnet,zhreshold/mxnet,leezu/mxnet,zhreshold/mxnet,apache/incubator-mxnet,reminisce/mxnet,ForkedReposBak/mxnet,tlby/mxnet,leezu/mxnet,larroy/mxnet,larroy/mxnet,yajiedesign/mxnet,reminisce/mxnet,reminisce/mxnet,reminisce/mxnet,eric-haibin-lin/mxnet,larroy/mxnet,larroy/mxnet,larroy/mxnet,reminisce/mxnet,szha/mxnet,yajiedesign/mxnet,DickJC123/mxnet,zhreshold/mxnet,tlby/mxnet,yajiedesign/mxnet,sxjscience/mxnet,ForkedReposBak/mxnet,reminisce/mxnet,leezu/mxnet,reminisce/mxnet,tlby/mxnet,zhreshold/mxnet,ForkedReposBak/mxnet,sxjscience/mxnet,tlby/mxnet,eric-haibin-lin/mxnet,ForkedReposBak/mxnet,apache/incubator-mxnet