LU-16161 kernel: kernel update RHEL8.6 [4.18.0-372.26.1.el8_6]

LU-16161 kernel: kernel update RHEL8.6 [4.18.0-372.26.1.el8_6]

Update RHEL8.6 kernel to 4.18.0-372.26.1.el8_6.

Lustre-change: https://review.whamcloud.com/48564
Lustre-commit: TBD (from 66b1b4469d6e5e65b450702c6cb68ec14a51e9b0)

Test-Parameters: trivial fstype=ldiskfs \
clientdistro=el8.6 serverdistro=el8.6 testlist=sanity

Test-Parameters: trivial fstype=zfs \
clientdistro=el8.6 serverdistro=el8.6 testlist=sanity

Change-Id: I45bf6dbff5061407e1109732b6d466d0f7a8376c
Signed-off-by: Jian Yu <yujian@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/48575
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>