update zdb flist (#2357)

Author: Eslam-Nawara

pkg/primitives/zdb/zdb.go

@@ -28,7 +28,7 @@ import (
 const (
 	// https://hub.grid.tf/api/flist/tf-autobuilder/threefoldtech-0-db-development.flist/light
 	// To get the latest symlink pointer
-	zdbFlistURL         = "https://hub.grid.tf/tf-autobuilder/threefoldtech-0-db-release-development-v2-b199b3b1c0.flist"
+	zdbFlistURL         = "https://hub.grid.tf/tf-autobuilder/threefoldtech-0-db-release-v2.0.8-55737c9202.flist"
 	zdbContainerNS      = "zdb"
 	zdbContainerDataMnt = "/zdb"
 	zdbPort             = 9900