New csf v4.26

Changes:

• New Feature – Country Code to CIDR allow/deny. This feature can allow or deny whole country CIDR ranges. The CIDR blocks are downloaded from http://www.ipdeny.com/ipblocks/. For more information, see CC_ALLOW, CC_DENY and CC_INTERVAL in csf.conf
• Expanded the dovecot regex to include more login failure permutations
• Added exe:/var/cpanel/3rdparty/bin/php to csf.pignore on cPanel servers
• SMTP_ALLOWLOCAL set to 1 on new cPanel installations by default