Update psr/http-message requirement from ^1.1 to ^1.1 || ^2.0

Updates the requirements on [psr/http-message](https://github.com/php-fig/http-message) to permit the latest version.
- [Release notes](https://github.com/php-fig/http-message/releases)
- [Changelog](https://github.com/php-fig/http-message/blob/master/CHANGELOG.md)
- [Commits](php-fig/http-message@1.1...2.0)

---
updated-dependencies:
- dependency-name: psr/http-message
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

composer.json

@@ -38,7 +38,7 @@
     "php": ">=8.2",
     "php-di/php-di": "^7.0",
     "psr/container": "2.0.2",
-    "psr/http-message": "^1.1",
+    "psr/http-message": "^1.1 || ^2.0",
     "symfony/property-access": "^6.2",
     "symfony/serializer": "^6.2",
     "nyholm/psr7-server": "^1.0",