add auditd_data_retention_action_mail_acct for cis rhel 10

Author: Arden97

products/rhel10/controls/cis_rhel10.yml

@@ -2621,8 +2621,11 @@ controls:
           - l2_workstation
       status: automated
       rules:
+          - auditd_data_retention_action_mail_acct
           - auditd_data_retention_admin_space_left_action
           - auditd_data_retention_space_left_action
+          - package_postfix_installed
+          - var_auditd_action_mail_acct=root
           - var_auditd_admin_space_left_action=cis_rhel10
           - var_auditd_space_left_action=cis_rhel10