Move php-http packages from require-dev to require

Author: Martin de Keijzer

composer.json

@@ -16,14 +16,14 @@
         }
     ],
     "require": {
-        "php": "^7.4|^8.0"
+        "php": "^7.4|^8.0",
+        "php-http/discovery": "^1.13",
+        "php-http/guzzle7-adapter": "^0.1.1",
+        "php-http/message": "^1.11"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.0",
         "mockery/mockery": "^1.4",
-        "php-http/discovery": "^1.13",
-        "php-http/guzzle7-adapter": "^0.1.1",
-        "php-http/message": "^1.11",
         "phpspec/prophecy-phpunit": "^2.0"
     },
     "autoload": {