minor #58472 CS: clean some whitespaces/indentation (keradus)

This PR was squashed before being merged into the 7.2 branch.

Discussion
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CS: clean some whitespaces/indentation

| Q             | A
| ------------- | ---
| Branch?       | 7.2
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| Deprecations? | no <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Issues        | Fix CS
| License       | MIT

Commits
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d0f63b8afa1 CS: clean some whitespaces/indentation

Author: nicolas-grekas

Filesystem.php

@@ -234,6 +234,7 @@ public function chmod($files, int $mode, int $umask = 0000, bool $recursive = fa
      * Change the owner of an array of files or directories.
      *
      * This method always throws on Windows, as the underlying PHP function is not supported.
+     *
      * @see https://www.php.net/chown
      *
      * @param string|iterable $files     A filename, an array of files, or a \Traversable instance to change owner
@@ -264,6 +265,7 @@ public function chown($files, $user, bool $recursive = false)
      * Change the group of an array of files or directories.
      *
      * This method always throws on Windows, as the underlying PHP function is not supported.
+     *
      * @see https://www.php.net/chgrp
      *
      * @param string|iterable $files     A filename, an array of files, or a \Traversable instance to change group