Upgrade MongoDB driver

go.mod

@@ -15,7 +15,7 @@ require (
 	github.com/rwynn/gtm/v2 v2.0.10
 	github.com/serialx/hashring v0.0.0-20200727003509-22c0c7ab6b1b // indirect
 	github.com/xdg/stringprep v1.0.0 // indirect
-	go.mongodb.org/mongo-driver v1.4.5
+	go.mongodb.org/mongo-driver v1.4.6
 	golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad // indirect
 	golang.org/x/sync v0.0.0-20201207232520-09787c993a3a // indirect
 	golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c // indirect

go.sum

@@ -113,8 +113,8 @@ github.com/xdg/scram v0.0.0-20180814205039-7eeb5667e42c/go.mod h1:lB8K/P019DLNhe
 github.com/xdg/stringprep v0.0.0-20180714160509-73f8eece6fdc/go.mod h1:Jhud4/sHMO4oL310DaZAKk9ZaJ08SJfe+sJh0HrGL1Y=
 github.com/xdg/stringprep v1.0.0 h1:d9X0esnoa3dFsV0FG35rAT0RIhYFlPq7MiP+DW89La0=
 github.com/xdg/stringprep v1.0.0/go.mod h1:Jhud4/sHMO4oL310DaZAKk9ZaJ08SJfe+sJh0HrGL1Y=
-go.mongodb.org/mongo-driver v1.4.5 h1:TLtO+iD8krabXxvY1F1qpBOHgOxhLWR7XsT7kQeRmMY=
-go.mongodb.org/mongo-driver v1.4.5/go.mod h1:WcMNYLx/IlOxLe6JRJiv2uXuCz6zBLndR4SoGjYphSc=
+go.mongodb.org/mongo-driver v1.4.6 h1:rh7GdYmDrb8AQSkF8yteAus8qYOgOASWDOv1BWqBXkU=
+go.mongodb.org/mongo-driver v1.4.6/go.mod h1:WcMNYLx/IlOxLe6JRJiv2uXuCz6zBLndR4SoGjYphSc=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190422162423-af44ce270edf/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE=