[8.x] PHPUnit 9.3+ style code coverage config (laravel#5368)

* PHPUnit 9.3+ style code coverage config

* Bumped minimum PHPUnit

Author: GrahamCampbell

composer.json

@@ -19,7 +19,7 @@
         "fzaninotto/faker": "^1.9.1",
         "mockery/mockery": "^1.3.1",
         "nunomaduro/collision": "^5.0",
-        "phpunit/phpunit": "^9.0"
+        "phpunit/phpunit": "^9.3"
     },
     "config": {
         "optimize-autoloader": true,

phpunit.xml

@@ -12,11 +12,11 @@
             <directory suffix="Test.php">./tests/Feature</directory>
         </testsuite>
     </testsuites>
-    <filter>
-        <whitelist processUncoveredFilesFromWhitelist="true">
+    <coverage processUncoveredFiles="true">
+        <include>
             <directory suffix=".php">./app</directory>
-        </whitelist>
-    </filter>
+        </include>
+    </coverage>
     <php>
         <server name="APP_ENV" value="testing"/>
         <server name="BCRYPT_ROUNDS" value="4"/>