migrate go version to 1.17 (#203)

* migrate go version to 1.17

* update contributing

vendor/github.com/goccy/go-json/decode_bool.go

@@ -1,74 +0,0 @@
-package json
-
-import (
-	"unsafe"
-)
-
-type boolDecoder struct {
-	structName string
-	fieldName  string
-}
-
-func newBoolDecoder(structName, fieldName string) *boolDecoder {
-	return &boolDecoder{structName: structName, fieldName: fieldName}
-}
-
-func (d *boolDecoder) decodeStream(s *stream, depth int64, p unsafe.Pointer) error {
-	s.skipWhiteSpace()
-	for {
-		switch s.char() {
-		case 't':
-			if err := trueBytes(s); err != nil {
-				return err
-			}
-			**(**bool)(unsafe.Pointer(&p)) = true
-			return nil
-		case 'f':
-			if err := falseBytes(s); err != nil {
-				return err
-			}
-			**(**bool)(unsafe.Pointer(&p)) = false
-			return nil
-		case 'n':
-			if err := nullBytes(s); err != nil {
-				return err
-			}
-			return nil
-		case nul:
-			if s.read() {
-				continue
-			}
-			goto ERROR
-		}
-		break
-	}
-ERROR:
-	return errUnexpectedEndOfJSON("bool", s.totalOffset())
-}
-
-func (d *boolDecoder) decode(buf []byte, cursor, depth int64, p unsafe.Pointer) (int64, error) {
-	cursor = skipWhiteSpace(buf, cursor)
-	switch buf[cursor] {
-	case 't':
-		if err := validateTrue(buf, cursor); err != nil {
-			return 0, err
-		}
-		cursor += 4
-		**(**bool)(unsafe.Pointer(&p)) = true
-		return cursor, nil
-	case 'f':
-		if err := validateFalse(buf, cursor); err != nil {
-			return 0, err
-		}
-		cursor += 5
-		**(**bool)(unsafe.Pointer(&p)) = false
-		return cursor, nil
-	case 'n':
-		if err := validateNull(buf, cursor); err != nil {
-			return 0, err
-		}
-		cursor += 4
-		return cursor, nil
-	}
-	return 0, errUnexpectedEndOfJSON("bool", cursor)
-}