vendor: json-iterator/go v1.1.10

full diff: https://github.com/json-iterator/go/compare/v1.1.9...v1.1.10

- Fix 459 map keys of custom types should serialize using MarshalText when available
- Fix potential panic in (*stringAny).ToInt64 and (*stringAny).ToUint64 (see 450)
- Fix 449 do NOT marshal the field whose name start with underscore
- Reuse stream buffer and remove flush in (*Stream).WriteMore(see 441 440)
- Fix 421 simplify the error string returned by the decoder when it meets error unmarshaling anonymous structs
- Fix 389 411 do NOT marshal the json.RawMessage type field whose real type is integer/float as "null" with ValidateJsonRawMessage option enabled
- Fix 326 do Not marshal private field after calling extra.SetNamingStrategy() to register naming strategy extension

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor/github.com/json-iterator/go/reflect_optional.go

@@ -2,7 +2,6 @@ package jsoniter
 
 import (
 	"github.com/modern-go/reflect2"
-	"reflect"
 	"unsafe"
 )
 
@@ -10,9 +9,6 @@ func decoderOfOptional(ctx *ctx, typ reflect2.Type) ValDecoder {
 	ptrType := typ.(*reflect2.UnsafePtrType)
 	elemType := ptrType.Elem()
 	decoder := decoderOfType(ctx, elemType)
-	if ctx.prefix == "" && elemType.Kind() == reflect.Ptr {
-		return &dereferenceDecoder{elemType, decoder}
-	}
 	return &OptionalDecoder{elemType, decoder}
 }