Update psr/http-factory requirement from ^1.0 to ^1.1

Updates the requirements on [psr/http-factory](https://github.com/php-fig/http-factory) to permit the latest version.
- [Release notes](https://github.com/php-fig/http-factory/releases)
- [Commits](php-fig/http-factory@1.0.0...1.1.0)

---
updated-dependencies:
- dependency-name: psr/http-factory
  dependency-type: direct:development
...

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

composer.json

@@ -28,7 +28,7 @@
         "phpunit/phpunit": "^9.6",
         "phpspec/prophecy-phpunit": "^2.0",
         "phpstan/phpstan": "^1.10.59",
-        "psr/http-factory": "^1.0",
+        "psr/http-factory": "^1.1",
         "squizlabs/php_codesniffer": "^3.9"
     },
     "autoload": {