Add support for PHPUnit 9

Author: realFlowControl

composer.json

@@ -22,7 +22,7 @@
     "require": {
         "php": "^7.4",
         "ext-dom": "*",
-        "phpunit/phpunit": "^8.3",
+        "phpunit/phpunit": "^8.3|^9",
         "symfony/yaml": "^4.0|^5.0"
     },
     "autoload": {

phpunit.xml.dist

@@ -23,7 +23,6 @@
         </whitelist>
     </filter>
     <logging>
-        <log type="tap" target="build/report.tap"/>
         <log type="junit" target="build/report.junit.xml"/>
         <log type="coverage-html" target="build/coverage"/>
         <log type="coverage-text" target="build/coverage.txt"/>