build(deps): bump symfony/finder from 5.4.19 to 5.4.21

Bumps [symfony/finder](https://github.com/symfony/finder) from 5.4.19 to 5.4.21.
- [Release notes](https://github.com/symfony/finder/releases)
- [Changelog](https://github.com/symfony/finder/blob/6.2/CHANGELOG.md)
- [Commits](https://github.com/symfony/finder/compare/v5.4.19...v5.4.21)

---
updated-dependencies:
- dependency-name: symfony/finder
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

composer.json

@@ -32,7 +32,7 @@
         "psr/log": "1.1.4",
         "symfony/console": "4.4.37",
         "symfony/event-dispatcher": "4.4.37",
-        "symfony/finder": "5.4.19"
+        "symfony/finder": "5.4.21"
     },
     "autoload": {
         "classmap": [