vendor sync up with containerd 1.5 ga

Author: Priyankasaggu11929

go.mod

@@ -3,8 +3,8 @@ module github.com/containerd/zfs
 go 1.16
 
 require (
-	github.com/containerd/containerd v1.5.0-beta.3
-	github.com/containerd/continuity v0.0.0-20210208174643-50096c924a4e
+	github.com/containerd/containerd v1.5.0
+	github.com/containerd/continuity v0.1.0
 	github.com/mistifyio/go-zfs v2.1.2-0.20190413222219-f784269be439+incompatible
 	github.com/pkg/errors v0.9.1
 )