UPD project dependencies and minimal requirements

Author: francerz

composer.json

@@ -4,11 +4,6 @@
     "keywords": ["psr-7","http","http-message","http-factory","psr-17"],
     "type": "library",
     "license": "MIT",
-    "require": {
-        "psr/http-message": "^1.0",
-        "psr/http-factory": "^1.0",
-        "fig/http-message-util": "^1.1"
-    },
     "authors": [
         {
             "name": "Francerz",
@@ -29,6 +24,10 @@
             "Francerz\\HttpUtils\\Dev\\": "dev"
         }
     },
+    "require": {
+        "psr/http-factory": "^1.0",
+        "fig/http-message-util": "^1.0"
+    },
     "require-dev": {
         "phpunit/phpunit": "^8.5"
     }