Uncomment upgrade for 4.10 (#8727)

* uncomment upgrade code

* ping jenkins

* add 4.10.0 to version.go

model/version.go

@@ -13,6 +13,7 @@ import (
 // It should be maintained in chronological order with most current
 // release at the front of the list.
 var versions = []string{
+	"4.10.0",
 	"4.9.0",
 	"4.8.1",
 	"4.8.0",