buildscripts: avoid remote repo vars in uploadArchives for local (#4076)
buildscripts: avoid remote repo vars in uploadArchives for local (#4076)


ejona86/grpc-java,carl-mastrangelo/grpc-java,elandau/grpc-java,dapengzhang0/grpc-java,grpc/grpc-java,stanley-cheung/grpc-java,ejona86/grpc-java,zhangkun83/grpc-java,elandau/grpc-java,stanley-cheung/grpc-java,grpc/grpc-java,dapengzhang0/grpc-java,zhangkun83/grpc-java,stanley-cheung/grpc-java,dapengzhang0/grpc-java,zhangkun83/grpc-java,carl-mastrangelo/grpc-java,elandau/grpc-java,ejona86/grpc-java,dapengzhang0/grpc-java,grpc/grpc-java,carl-mastrangelo/grpc-java,stanley-cheung/grpc-java,grpc/grpc-java,elandau/grpc-java,ejona86/grpc-java,zhangkun83/grpc-java,carl-mastrangelo/grpc-java