Merge pull request #276 from ergebnis/dependabot/composer/ergebnis/test-util-0.9.1

Author: dependabot-preview[bot]

composer.json

@@ -28,7 +28,7 @@
     "composer/composer": "^1.7.0",
     "ergebnis/php-cs-fixer-config": "~1.1.1",
     "ergebnis/phpstan-rules": "~0.14.1",
-    "ergebnis/test-util": "~0.9.0",
+    "ergebnis/test-util": "~0.9.1",
     "jangregor/phpstan-prophecy": "~0.5.0",
     "phpstan/extension-installer": "^1.0.3",
     "phpstan/phpstan": "~0.11.19",