support psr/http-message 1.1

Author: KurtThiemann

composer.json

@@ -4,7 +4,7 @@
     "type": "library",
     "require": {
         "psr/http-client": "^1.0",
-        "psr/http-message": "^2.0",
+        "psr/http-message": "^1.1 || ^2.0",
         "psr/http-factory": "^1.1",
         "ext-curl": "*",
         "php": ">=8.3.0"