New csf v12.11

Changes:

• Added port 8443/tcp to cPanel server new installs to cater for the v80 calendar service. Existing installs will need to be modified manually if the service is used by adding the port to TCP_IN and TCP6_IN
• Updated various EOL version checks in Server Report
• Updated version modification system to check existing version before performing updates. Ensured that updates are applied chronologically