Support psr/http-message. (#5789)

Author: limingxinleo

composer.json

@@ -34,7 +34,7 @@
         "nesbot/carbon": "^2.21",
         "psr/container": "^1.0|^2.0",
         "psr/event-dispatcher": "^1.0",
-        "psr/http-message": "^1.0"
+        "psr/http-message": "^1.0|^2.0"
     },
     "config": {
         "sort-packages": true