* added ttl support for workflow
Signed-off-by: rksharma95 <nikhilrk13jan@gmail.com>

* make check okay
Signed-off-by: rksharma95 <nikhilrk13jan@gmail.com>

* used EndTime for ttl
Signed-off-by: rksharma95 <nikhilrk13jan@gmail.com>
Co-authored-by: Ti Chi Robot <ti-community-prow-bot@tidb.io>