Bump infection/infection from 0.15.3 to 0.16.1 in /dev-tools (#266)

Author: dependabot-preview[bot]

dev-tools/composer.json

@@ -5,7 +5,7 @@
     "require-dev": {
         "ergebnis/composer-normalize": "^2.3.2",
         "friendsofphp/php-cs-fixer": "^2.16.1",
-        "infection/infection": "^0.15.3",
+        "infection/infection": "^0.16.1",
         "kubawerlos/types-checker": "^2.0.0",
         "maglnet/composer-require-checker": "^2.1.0",
         "mi-schi/phpmd-extension": "^4.3.0",