Update to version 8.5.5

Former-commit-id: b5be58709f17758a8df3ebc99270b97ccd8b18f2

_examples/sessions/database/redis/main.go

@@ -22,8 +22,6 @@ func main() {
 		IdleTimeout: service.DefaultRedisIdleTimeout,
 		Prefix:      ""}) // optionally configure the bridge between your redis server
 
-	// use go routines to query the database
-	db.Async(true)
 	// close connection when control+C/cmd+C
 	iris.RegisterOnInterrupt(func() {
 		db.Close()