LU-16601 kernel: update SLES15 SP4 [5.14.21-150400.24.46.1]

LU-16601 kernel: update SLES15 SP4 [5.14.21-150400.24.46.1]

Update SLES15 SP4 kernel to 5.14.21-150400.24.46.1 for Lustre client.

Lustre-change: https://review.whamcloud.com/50179
Lustre-commit: TBD (from c1e032746e318daba275eec8995136a187de4a3c)

Test-Parameters: trivial clientdistro=sles15sp4 testlist=sanity

Change-Id: I5b9e39359e61e929adaeddece60f4d247996a00a
Signed-off-by: Jian Yu <yujian@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/c/ex/lustre-release/+/50206
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>