* main: Ignore `register_argc_argv` when `SG(request_info).argc` is available
* sapi: Remove hardcoded `register_argc_argv` for CLI SAPIs
This INI is ignored since the previous commit, which makes the hardcoded
setting obsolete.
* main: Deprecate deriving $_SERVER['argc'] and $_SERVER['argv'] from the query string
RFC: https://wiki.php.net/rfc/deprecations_php_8_5#deprecate_the_register_argc_argv_ini_directive
* main: Adjust deprecation message for `register_argc_argv`
* NEWS/UPGRADING
Took the old PHP 3 regression testing framework and rewrote it in PHP.
Should work on both Windows and UNIX, however I have not tested it on
Windows. See tests/README for how to write tests. Added the PHP 3
tests and converted most of them.