chore: update to use PHPUnit 9.3

Author: owenvoke

composer.json

@@ -20,8 +20,8 @@
         "laravel-zero/framework": "^8.0"
     },
     "require-dev": {
-        "mockery/mockery": "^1.3.1",
-        "phpunit/phpunit": "^8.5"
+        "mockery/mockery": "^1.4.2",
+        "phpunit/phpunit": "^9.3"
     },
     "autoload": {
         "psr-4": {

phpunit.xml.dist

@@ -16,9 +16,9 @@
             <directory suffix="Test.php">./tests/Unit</directory>
         </testsuite>
     </testsuites>
-    <filter>
-        <whitelist processUncoveredFilesFromWhitelist="true">
+    <coverage processUncoveredFiles="true">
+        <include>
             <directory suffix=".php">./app</directory>
-        </whitelist>
-    </filter>
+        </include>
+    </coverage>
 </phpunit>