test: skip ostree-remount due to issue RHEL-25249

[mcattamoredhat]

This pull request includes:

We suggest to skip ostree-remount playbook task due to issue https://issues.redhat.com/browse/RHEL-25249 also detected recently in RHEL-9.4

https://github.com/osbuild/rhel-edge-ci/actions/runs/8889962119/job/24409179382
https://github.com/osbuild/rhel-edge-ci/actions/runs/8889962119/job/24409179480

• adequate testing for the new functionality or fixed issue
• adequate documentation informing people about the change such as
  • submit a PR for the READMEs listed here
  • submit a PR for the osbuild.org website repository if this PR changed any behavior not covered by the automatically updated READMEs

[achilleas-k]

Do we know if the issue is that the service actually fails? As opposed to the log output being different (or silent), for example.

EDIT: I see there are more details at #3942

[henrywang]

Thanks! LGTM.