chore: support min go version 1.18 (#3511)

* chore: min go version 1.18

* fix build tag error

* remove build tag

* fix word

* remove any.go

* replace interface{} instead of any

binding/any.go

@@ -1,10 +0,0 @@
-// Copyright 2022 Gin Core Team. All rights reserved.
-// Use of this source code is governed by a MIT style
-// license that can be found in the LICENSE file.
-
-//go:build !go1.18
-// +build !go1.18
-
-package binding
-
-type any = interface{}

binding/binding.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build !nomsgpack
-// +build !nomsgpack
 
 package binding
 

binding/binding_msgpack_test.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build !nomsgpack
-// +build !nomsgpack
 
 package binding
 

binding/binding_nomsgpack.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build nomsgpack
-// +build nomsgpack
 
 package binding
 

binding/json.go

@@ -15,7 +15,7 @@ import (
 
 // EnableDecoderUseNumber is used to call the UseNumber method on the JSON
 // Decoder instance. UseNumber causes the Decoder to unmarshal a number into an
-// interface{} as a Number instead of as a float64.
+// any as a Number instead of as a float64.
 var EnableDecoderUseNumber = false
 
 // EnableDecoderDisallowUnknownFields is used to call the DisallowUnknownFields method

binding/msgpack.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build !nomsgpack
-// +build !nomsgpack
 
 package binding
 

binding/msgpack_test.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build !nomsgpack
-// +build !nomsgpack
 
 package binding