LU-17404 kernel: update RHEL 9.4 [5.14.0-427.20.1.el9_4]

LU-17404 kernel: update RHEL 9.4 [5.14.0-427.20.1.el9_4]

Update RHEL 9.4 kernel to 5.14.0-427.20.1.el9_4 for Lustre client.

Lustre-change: https://review.whamcloud.com/54712
Lustre-commit: TBD (from 000ac2084bef80ed9b0610245ab7552f678d3e39)

Test-Parameters: trivial \
  mdtcount=4 mdscount=2 clientdistro=el9.4 testlist=sanity
Test-Parameters: optional clientdistro=el9.4 testgroup=full-part-1
Test-Parameters: optional clientdistro=el9.4 testgroup=full-part-2
Test-Parameters: optional clientdistro=el9.4 testgroup=full-part-3

Change-Id: Ieee88a5a9f8e58f8445e126d21e45228e7b5ca64
Signed-off-by: Jian Yu <yujian@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/55366
Tested-by: Maloo <maloo@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Reviewed-by: Yang Sheng <ys@whamcloud.com>