Merge pull request #55 from sunrise-php/renovate/sunrise-http-message-1.x

Update dependency sunrise/http-message to v1.3.0

Author: fenric

composer.json

@@ -34,7 +34,7 @@
         "phpbench/phpbench": "0.16.10",
         "phpunit/phpunit": "7.5.20",
         "sunrise/coding-standard": "1.0.0",
-        "sunrise/http-message": "1.2.0",
+        "sunrise/http-message": "1.3.0",
         "sunrise/http-server-request": "1.0.12"
     },
     "autoload": {