CI - github actions badge and artifacts, one appveyor build, test latest tools versions and php8 #219

https://github.com/EdgedesignCZ/phpqa/pull/219/checks?check_run_id=1821013012#step:6:7 PHP Fatal error: Declaration of Edge\QA\OptionsTest::setUp() must be compatible with PHPUnit\Framework\TestCase::setUp(): void https://github.com/EdgedesignCZ/phpqa/pull/219/checks?check_run_id=1821044568#step:6:829 Ignore not installed phpcpd, it will be fixed in another PR.

https://github.com/EdgedesignCZ/phpqa/runs/1813595507?check_suite_focus=true#step:4:8 Your lock file does not contain a compatible set of packages. https://github.com/EdgedesignCZ/phpqa/pull/219/checks?check_run_id=1821132375#step:5:38 Your requirements could not be resolved to an installable set of packages. https://github.com/EdgedesignCZ/phpqa/runs/1821200517?check_suite_focus=true#step:5:136 hamcrest/hamcrest-php v2.0.0 requires php ^5.3|^7.0 -> your PHP version (8.0.1) does not satisfy that requirement. $ composer require --dev "hamcrest/hamcrest-php:>=2.0.1" https://github.com/EdgedesignCZ/phpqa/pull/219/checks?check_run_id=1821231784#step:6:23 PHP Fatal error: Uncaught Error: Unknown named parameter $options in /vendor/consolidation/annotated-command/src/CommandProcessor.php:257

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