Update dependency phpunit/phpunit to v10.5.40

Author: renovate[bot]

composer.json

@@ -33,7 +33,7 @@
   },
   "require-dev": {
     "ext-posix": "*",
-    "phpunit/phpunit": "10.5.20",
+    "phpunit/phpunit": "10.5.40",
     "squizlabs/php_codesniffer": "3.10.1",
     "mockery/mockery": "1.6.12",
     "jetbrains/phpstorm-stubs": "2024.1",