[BUG][No module named 'selinux' during executing of task "Disable the selinux"]

[FactorT]

Describe the bug
When task "Disable the selinux" runs on OS without installed SELinux, for example Debian, it is failed with error: "An exception occurred during task execution. The error was: ModuleNotFoundError: No module named 'selinux'".
Fixed by PR 113

To Reproduce
Run playbook opensearch.yaml to install system on debian OS without installed selinux.
The playbook is failed with error "ModuleNotFoundError: No module named 'selinux'"

Expected behavior
Playbook ignore missing selinux

Playbook Name
opensearch.yml playbook - roles linux - opensearch - tasks main - task "Disable the selinux"
opensearch.yml playbook - roles linux - dashboards - tasks main - task "Disable the selinux"

Host/Environment (please complete the following information):
ansible [core 2.14.2]
python version = 3.9.2
jinja version = 3.1.2
Playbook Version: 2.3.0

[tibz7]

+1

[heiderich]

I have a similar issue with Debian bullseye and ansible 2.10.8. However the error is

{"changed": false, "details": "Please install SELinux-policy package, if this package is not installed previously.", "msg": "Unable to find file /etc/selinux/config"}

I address this in #122 build on top of #113.