LU-17675 tests: skip sanity-flr/61a for el9.3

LU-17675 tests: skip sanity-flr/61a for el9.3

The atime update appears to be broken in this kernel, skip the test
for now.

Test-Parameters: trivial testlist=sanity env=ONLY=61 clientdistro=el9.3
Signed-off-by: Andreas Dilger <adilger@whamcloud.com>
Change-Id: I2e27e2fbaa9a6a9e11049c4629b10998b3824c12
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/54612
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Reviewed-by: Jian Yu <yujian@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>