Fix CI badge URL (#3484)
Fix CI badge URL (#3484)

Signed-off-by: c4pt0r <042dc4512fa3d391c5170cf3aa61e6a638f84342@huangdx.net>
pingcap/tikv,BusyJay/tikv,c4pt0r/tikv,BusyJay/tikv,pingcap/tikv,BusyJay/tikv,BusyJay/tikv