support psr/http-message 2.0

Author: d4c5

composer.json

@@ -17,7 +17,7 @@
  "php": "^7.4 || ^8.0",
  "fig/http-message-util": "^1.1",
  "psr/http-client": "^1.0",
- "psr/http-message": "^1.0"
+ "psr/http-message": "^1.0 || ^2.0"
  },
  "autoload": {
  "psr-4": {