Version 3.0.0

Added

• Support for Guzzle 8
• PHP 8.5 in GitHub builds

Changed

• Minimum PHP version is now 7.4 (required by Guzzle 8)
• Upgraded php_codesniffer and phpstan packages

Removed

• Dropped support for Guzzle 6, Guzzle 7, and PHP 7.2/7.3 (use v2.x)