copr: make CM Sketch built with the same encoding as what TiDB assumes (#10418)
copr: make CM Sketch built with the same encoding as what TiDB assumes (#10418)

* fix

Signed-off-by: time-and-fate <25057648+time-and-fate@users.noreply.github.com>

* fix

Signed-off-by: time-and-fate <25057648+time-and-fate@users.noreply.github.com>

Co-authored-by: Ti Chi Robot <040e6455cde1c91e876ec337e785ce913eacba35@tidb.io>
BusyJay/tikv,BusyJay/tikv,BusyJay/tikv,BusyJay/tikv