LU-17133 kernel: update SLES15 SP4 [5.14.21-150400.24.84.1]

LU-17133 kernel: update SLES15 SP4 [5.14.21-150400.24.84.1]

Update SLES15 SP4 kernel to 5.14.21-150400.24.84.1 for Lustre client.

Lustre-change: https://review.whamcloud.com/52481
Lustre-commit: TBD (from 5dcdbe687d136d7e976f578faccbb3bde1b0acc9)

Test-Parameters: trivial clientdistro=sles15sp4 testlist=sanity

Change-Id: I5bce1642fc5bd212fd89dd65d9e1beb32ccd744d
Signed-off-by: Jian Yu <yujian@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/c/ex/lustre-release/+/52546
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Yang Sheng <ys@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>