Log Message:
devel/php-xdebug: update to 3.1.6

3.1.6 (2022-11-08)

Fixed bugs:

* Fixed issue #2100: "Fatal error: debuginfo() must return an array" when
  Exception is thrown from debugInfo in PHP 8.x
* Fixed issue #2101: When a temporary breakpoint is hit, breakpoint_list
  should show it as disabled
* Fixed issue #2129: Cannot read snapshot Gzip-compressed data is corrupt