Sqlite3 - make it PHP 8 compatible

[llaville]

From https://github.com/php/php-src/blob/master/UPGRADING we can read

Add SQLite3::setAuthorizer() and respective class constants to set a
userland callback that will be used to authorize or not an action on the
database.
PR: php/php-src#4797

Implemented by commit php/php-src@3958592

[llaville]

Backport commit 1f0c681 in master branch to allows release 2.19 to run unit tests under PHP 8