update goctl to go 1.16 for io/fs usage (#1571)

* update goctl to go 1.16 for io/fs usage

* feat: support pg serial type for auto_increment (#1563)

* add correct example for pg's url

* 🐞 fix: merge

* 🐞 fix: pg default port

* ✨ feat: support serial type

Co-authored-by: kurimi1 <d0n41df@gmail.com>

* chore: format code

Co-authored-by: toutou_o <33993460+kurimi1@users.noreply.github.com>
Co-authored-by: kurimi1 <d0n41df@gmail.com>

core/mapping/yamlunmarshaler_test.go

@@ -937,7 +937,6 @@ func TestUnmarshalYamlReaderError(t *testing.T) {
 	reader = strings.NewReader("chenquan")
 	err = UnmarshalYamlReader(reader, &v)
 	assert.ErrorIs(t, err, ErrUnsupportedType)
-
 }
 
 func TestUnmarshalYamlBadReader(t *testing.T) {