Install correct python selinux package on Amazon Linux 2 (#126)

Author: rtammekivi

vars/RedHat.yml

@@ -6,6 +6,7 @@ nomad_os_packages:
   - git
   - "{% if ( ansible_distribution  == 'Fedora' and ansible_distribution_version is version('28', '<') ) or \
       ( ansible_distribution  == 'CentOS' and ansible_distribution_version is version('8', '<') ) or \
+      ( ansible_distribution  == 'Amazon' and ansible_distribution_version is version('3', '<') ) or \
       ( ansible_distribution  == 'OracleLinux' and ansible_distribution_version is version('8', '<') ) \
     %}\
       libselinux-python\