PHP 8 compatibility

composer.dingo.json

@@ -37,7 +37,7 @@
     },
     "require-dev": {
         "dms/phpunit-arraysubset-asserts": "^0.1.0",
-        "brianium/paratest": "^4.0",
+        "brianium/paratest": "^4.0 | ^5.0 | ^6.0",
         "league/fractal": "^0.19.0",
         "laravel/legacy-factories": "^1.0.4",
         "laravel/lumen-framework": "^6.0|^7.0|^8.0",

composer.json

@@ -35,7 +35,7 @@
     "symfony/yaml": "^4.0|^5.0"
   },
   "require-dev": {
-    "brianium/paratest": "^4.0",
+    "brianium/paratest": "^4.0 | ^5.0 | ^6.0",
     "dms/phpunit-arraysubset-asserts": "^0.1.0",
     "laravel/legacy-factories": "^1.0.4",
     "laravel/lumen-framework": "^6.0|^7.0|^8.0",