add http.ResponseController type alias (#2713)

Co-authored-by: czyt <czyt@w.cn>

transport/http/codec_go1.20.go

@@ -0,0 +1,10 @@
+//go:build go1.20
+// +build go1.20
+
+package http
+
+import "net/http"
+
+// ResponseController is type net/http.ResponseController which was added in Go 1.20.
+
+type ResponseController = http.ResponseController