run-without-xdebug

Merge pull request #20 from weirdan/dependabot/composer/squizlabs/php_codesniffer-tw-3.3or-tw-4.0

Update squizlabs/php_codesniffer requirement from ^3.3 to ^3.3 || ^4.0

Merge pull request #19 from weirdan/dependabot/composer/phpunit/phpunit-tw-7.0or-tw-8.0or-tw-9.0or-tw-11.0

Update phpunit/phpunit requirement from ^7.0 || ^8.0 || ^9.0 to ^7.0 || ^8.0 || ^9.0 || ^11.0

Merge pull request #18 from weirdan/allow-xdebug-handler-3