Merge pull request #82 from mfb/s6

Allow symfony/filesystem v6

Author: Chi-teck

composer.json

@@ -31,7 +31,7 @@
         "ext-json": "*",
         "psr/log": "^1.1",
         "symfony/console": "^4.4.15 || ^5.1",
-        "symfony/filesystem": "^4.4 || ^5.1",
+        "symfony/filesystem": "^4.4 || ^5.1 || ^6",
         "symfony/polyfill-php80": "^1.23",
         "symfony/string": "^5.1 || ^6",
         "twig/twig": "^2.14.11 || ^3.1"