Fix typo

Author: fabpot

src/Php83/composer.json

@@ -21,7 +21,7 @@
     },
     "autoload": {
         "psr-4": { "Symfony\\Polyfill\\Php83\\": "" },
-        "files": [ "bootstrap.php" ],
+        "files": [ "bootstrap.php" ]
     },
     "minimum-stability": "dev",
     "extra": {