br: fix S3 backup endpoint suffix (#30530)#30884

Closed

ti-srebot wants to merge 1 commit intopingcap:release-5.2from ti-srebot:release-5.2-b09c63be849b

+3-2

Commits on Dec 20, 2021

cherry pick pingcap#30530 to release-5.2

tongtongyin
authored and
ti-srebot
committed