Fix php.net links

Author: benjaminpick

Filesystem.php

@@ -235,7 +235,7 @@ public function chmod(string|iterable $files, int $mode, int $umask = 0000, bool
      *
      * This method always throws on Windows, as the underlying PHP function is not supported.
      *
-     * @see https://www.php.net/chown
+     * @see https://php.net/chown
      *
      * @param string|int $user      A user name or number
      * @param bool       $recursive Whether change the owner recursively or not
@@ -267,7 +267,7 @@ public function chown(string|iterable $files, string|int $user, bool $recursive
      *
      * This method always throws on Windows, as the underlying PHP function is not supported.
      *
-     * @see https://www.php.net/chgrp
+     * @see https://php.net/chgrp
      *
      * @param string|int $group     A group name or number
      * @param bool       $recursive Whether change the group recursively or not