Update docker SDK and containerd

- containerd update fixes a security vulnerability
    - https://nvd.nist.gov/vuln/detail/CVE-2021-43816
    - GHSA-mvff-h3cj-wj9c

go.mod

@@ -1,15 +1,24 @@
 module github.com/dhui/dktest
 
 require (
-	github.com/containerd/containerd v1.5.8 // indirect
-	github.com/docker/docker v20.10.9+incompatible
+	github.com/Microsoft/go-winio v0.5.1 // indirect
+	github.com/containerd/containerd v1.5.9 // indirect
+	github.com/docker/docker v20.10.12+incompatible
 	github.com/docker/go-connections v0.4.0
+	github.com/google/go-cmp v0.5.6 // indirect
+	github.com/gorilla/mux v1.7.3 // indirect
+	github.com/kr/text v0.2.0 // indirect
 	github.com/lib/pq v1.8.0
 	github.com/morikuni/aec v1.0.0 // indirect
+	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/opencontainers/image-spec v1.0.2
-	github.com/stretchr/testify v1.6.1
-	google.golang.org/genproto v0.0.0-20210207032614-bba0dbe2a9ea // indirect
-	google.golang.org/grpc v1.35.0 // indirect
+	github.com/stretchr/testify v1.7.0
+	golang.org/x/net v0.0.0-20220111093109-d55c255bac03 // indirect
+	golang.org/x/sys v0.0.0-20220111092808-5a964db01320 // indirect
+	golang.org/x/text v0.3.7 // indirect
+	google.golang.org/genproto v0.0.0-20220111164026-67b88f271998 // indirect
+	google.golang.org/grpc v1.43.0 // indirect
+	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
 )
 
 go 1.13