Bump

Author: sebastianbergmann

composer.json

@@ -44,7 +44,7 @@
         "theseer/tokenizer": "^1.2.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.3"
+        "phpunit/phpunit": "^9.6"
     },
     "suggest": {
         "ext-pcov": "PHP extension that provides line coverage",