Merge pull request #424 from vchepkov/rhel10

feat: add hiera data for RHEL10

data/osfamily/RedHat/10.yaml

+---
+postfix::alias_maps: 'lmdb:/etc/aliases'
+postfix::ldap_packages: ['postfix-ldap']
+postfix::lookup_table_type: 'lmdb'
+postfix::params::mailx_package: 's-nail'