Merge pull request #66 from localheinz/fix/phpunit

Fix: Update phpunit/phpunit

Author: localheinz

composer.json

@@ -27,7 +27,7 @@
     "localheinz/test-util": "~0.7.0",
     "phpstan/phpstan-deprecation-rules": "~0.10.2 || ~0.11.0",
     "phpstan/phpstan-strict-rules": "~0.10.1 || ~0.11.0",
-    "phpunit/phpunit": "^7.5.0"
+    "phpunit/phpunit": "^7.5.2"
   },
   "config": {
     "preferred-install": "dist",