Update symfony/twig-bridge requirement from ^6.3 to ^6.4

Updates the requirements on [symfony/twig-bridge](https://github.com/symfony/twig-bridge) to permit the latest version.
- [Release notes](https://github.com/symfony/twig-bridge/releases)
- [Changelog](https://github.com/symfony/twig-bridge/blob/7.0/CHANGELOG.md)
- [Commits](symfony/twig-bridge@v6.3.0...v6.4.0)

---
updated-dependencies:
- dependency-name: symfony/twig-bridge
  dependency-type: direct:production
...

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

composer.json

@@ -24,7 +24,7 @@
         "slim/slim": "^4.12",
         "slim/twig-view": "^3.3",
         "symfony/translation": "^6.4",
-        "symfony/twig-bridge": "^6.3",
+        "symfony/twig-bridge": "^6.4",
         "vlucas/phpdotenv": "^5.6"
     },
     "require-dev": {