LU-15690 tests: skip replay-ost-single/12a on old server

LU-15690 tests: skip replay-ost-single/12a on old server

Skip 12a of replay-ost-single for older server version.

Test-Parameters: trivial testlist=replay-ost-single env=ONLY=12a
Fixes: 28769c65987c ("LU-15195 ofd: missing OST object")
Signed-off-by: Xing Huang <hxing@ddn.com>
Change-Id: I473452a5326691f4394c9e3ab2ab5dfecbc6ec58
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/50701
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>