chore: update symfony/http-foundation requirement (estahn#31)

Updates the requirements on [symfony/http-foundation](https://github.com/symfony/http-foundation) to permit the latest version.
- [Release notes](https://github.com/symfony/http-foundation/releases)
- [Changelog](https://github.com/symfony/http-foundation/blob/5.3/CHANGELOG.md)
- [Commits](https://github.com/symfony/http-foundation/commits/v5.3.2)

---
updated-dependencies:
- dependency-name: symfony/http-foundation
  dependency-type: direct:development
...

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composer.json

@@ -21,7 +21,7 @@
     "require-dev": {
         "phpunit/phpunit": "^9",
         "codacy/coverage": "dev-master",
-        "symfony/http-foundation": "^2.8|^3.0"
+        "symfony/http-foundation": "^2.8|^3.0|^5.0"
     },
     "autoload": {
         "psr-4": {