ci: remove .travis.yml (tikv#3334)

Signed-off-by: Zheng Xiangsheng <[email protected]>

id: fix the id allocator is not monotonic (tikv#3305) (tikv#3306)

* cherry pick tikv#3305 to release-5.0-rc

Signed-off-by: Ryan Leung <[email protected]>

* cherry pick tikv#3322 to release-5.0-rc

Signed-off-by: Ryan Leung <[email protected]>

Co-authored-by: Ryan Leung <[email protected]>
Co-authored-by: ShuNing <[email protected]>
Co-authored-by: Ti Prow Robot <[email protected]>

build: add `--always` to `git describe` (tikv#3145) (tikv#3176)

* cherry pick tikv#3145 to release-3.0

Signed-off-by: ti-srebot <[email protected]>

cherry pick tikv#3223 to release-4.0 (tikv#3243)

Signed-off-by: ti-srebot <[email protected]>

Co-authored-by: 龙方淞 <[email protected]>

Update TiDB Dashboard to v2020.10.21.1 (tikv#3095) (tikv#3096)

Signed-off-by: ti-srebot <[email protected]>
Signed-off-by: Breezewish <[email protected]>

*: update the errors dependency (tikv#2998) (tikv#3003)

Signed-off-by: ti-srebot <[email protected]>
Signed-off-by: Ryan Leung <[email protected]>

checker: fix remove pending peer by replacing peer (tikv#1607) (tikv#…

…2949)

Signed-off-by: Ryan Leung <[email protected]>

cherry pick tikv#2926 to release-4.0 (tikv#2928)

Signed-off-by: ti-srebot <[email protected]>

Co-authored-by: 混沌DM <[email protected]>

cherry pick tikv#2855 to release-4.0 (tikv#2857)

Signed-off-by: ti-srebot <[email protected]>

Co-authored-by: ShuNing <[email protected]>

*: bump to version 3.0.18 (tikv#2769)