LU-18862 ldiskfs: update for RHEL 9.6

LU-18862 ldiskfs: update for RHEL 9.6

Update linux 6.6 ext4-encdata.patch to work around trivial
context change of generic_fillattr() arguments.

Use linux 6.11 version of ext4-kill-dx-root.patch
Use linux 6.6 version of ext4-ialloc-uid-gid-and-pass-owner-down.patch

Test-Parameters: trivial
Signed-off-by: Shaun Tancheff <shaun.tancheff@hpe.com>
Change-Id: Ia5cf6dd1c21d81bc39837566ca69ef3a074d30c2
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/58567
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Jian Yu <yujian@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>