feat(pingcap/tiflash): add refactored jobs for release-8.1 (#3064)Fixes #3063Signed-off-by: wuhuizuo <wuhuizuo@126.com>---------Signed-off-by: wuhuizuo <wuhuizuo@126.com>Co-authored-by: Purelind <purelind@users.noreply.github.com> (commit: 4ccea2f)