update php cs fixer config

Author: prolic

.gitignore

@@ -8,3 +8,4 @@
 nbproject
 composer.lock
 docs/html
+.phpunit.result.cache

composer.json

@@ -16,10 +16,10 @@
   ],
   "require": {
     "php": "^7.1 || ^8.0",
-    "friendsofphp/php-cs-fixer": "^2.17.1"
+    "friendsofphp/php-cs-fixer": "^3.1"
   },
   "require-dev": {
-    "phpunit/phpunit": "^7.5 || ^9.5",
+    "phpunit/phpunit": "^9.5",
     "satooshi/php-coveralls": "^1.0"
   },
   "autoload": {

phpunit.xml.dist

@@ -8,16 +8,15 @@
          convertWarningsToExceptions="true"
          processIsolation="false"
          stopOnFailure="false"
-         syntaxCheck="false"
          bootstrap="vendor/autoload.php"
 >
     <testsuite name="Prooph CS Fixer Config Test Suite">
         <directory>./tests</directory>
     </testsuite>
 
-    <filter>
-        <whitelist>
+    <coverage>
+        <include>
             <directory>./src/</directory>
-        </whitelist>
-    </filter>
+        </include>
+    </coverage>
 </phpunit>