Update changelog and bump version

Author: stephenafamo

CHANGELOG.md

@@ -4,6 +4,16 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic
 Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [v4.8.6] - 2022-01-29
+
+### Added
+
+- Add missing function `func (modelQuery) DeleteAllGP(...)` (thanks @parnic)
+
+### Fixes
+
+- Fixed issue with generation of both nullable and non-nullable enum types (thanks @optiman)
+
 ## [v4.8.5] - 2022-01-28
 
 ### Added

main.go

@@ -15,7 +15,7 @@ import (
 	"github.com/volatiletech/sqlboiler/v4/importers"
 )
 
-const sqlBoilerVersion = "4.8.5"
+const sqlBoilerVersion = "4.8.6"
 
 var (
 	flagConfigFile string