role:stig: Improve aide.conf

[markuslf]

Ignore these files and directories:

.cache
/boot/grub2/grubenv
/etc/pihole/pihole-FTL.db-journal
/root/.cache/duplicity
/root/.gnupg
/root/.gnupg/S.gpg-agent
/root/.gnupg/S.gpg-agent.browser
/root/.gnupg/S.gpg-agent.extra
/root/.gnupg/S.gpg-agent.ssh
/var/log/boot.log
/var/log/dmesg
/var/log/dmesg.old
/var/log/fail2ban.log
/var/log/hawkey.log
/var/log/lighttpd/error.log
/var/log/maillog
/var/log/php-fpm
/var/log/sssd/sssd.log
/var/log/sssd/sssd_implicit_files.log
/var/log/sssd/sssd_kcm.log
/var/log/sssd/sssd_nss.log
/var/log/sssd/sssd_pac.log
/var/log/sssd/sssd_pam.log
/var/log/sssd/sssd_ssh.log
/var/log/sssd/sssd_sudo.log
/var/run/utmp

[bzblf]

• Does the line order of the entries matter and are our entries in the correct position? See manual page
• Check if there is an AIDE directive that ignores the size of log files? Otherwise create one