Signup abuse detection and blocking 1.20.3

• Fix internal server error (Unsupported operand types: int + string) that could occur depending on what exact spam check results a new account has

• php 8.4+ compatibility fixes
• Fix "Mute any ASN/Get IP Intel score if Apple iCloud relay is detected" options didn't adjust the computed score

• Add "Mute any Get IP Intel score if Apple iCloud relay is detected" option to apply relay detection configuration, and enable by default

• Fix XF2.3.9+ & XF2.2.18 compatibility
• Update geoip2/geoip2 to v2.13, improve extendibility of who & which MaxMind database files are fetched.
• Add additional information about a login when the 2fa email is sent to the user
  • Best effort to extract the browser/operating system from the user agent
  • Add the country the login was seen from (May report "Tor" if CloudFlare is used to indicate access via Tor)
• Add Mute any ASN score if apple icloud relay is detected option to apply relay detection configuration, and enable by default

• Fix link for toggling multi-account logging on/off would generate a bad link if the user had been deleted in a report
• Fix "Users => Anti-spam" admincp group didn't show for non-superadmins
• Fix case where anti-spam admin permission was assigned but not working for non-superadmins
• Add Apple Relay detection for registration spam detection (default enable, with a score of 3)

• Fix "ticket_spam_block() error: Cannot call fastUpdate until the entity is saved" when using @Naz's Tickets

• In approval queue when showing "Shared IP with banned user" or "Shared IP with rejected user", link to the user record.
  Note; only applies to new signups
• Add "On login; Force two-step authentication if unknown ISP for user" option (default: false).
  This feature requires Password Tools v3.12.0+

• Fix XF2.1 support
• Fix missed removal of assert() usage for improve XF cloud compatibility

• Workaround Link Spam checker: Default action (by content type) option not working for new Tickets with NF/Tickets v2.10.3 and earlier

• Require StandardLib v1.22.0+
• Improve XF cloud compatibility
• Re-add XF2.1 support
• Update Country language/timezone anti-spam option example text to be explicit that is supports wildcards
• Fix 'Country language - Unknown' did not reliably apply non-zero scores
• Do not skip country language tests if the country is unknown, instead use XX as the country