Bump cnab-go, containerd, and docker dependencies

* Update cnab-go to v0.23.4
* Update containerd to v1.6.6
* Updated docker to v20.10.17

Signed-off-by: Carolyn Van Slyck <[email protected]>

go.mod

@@ -3,14 +3,14 @@ module github.com/cnabio/cnab-to-oci
 go 1.17
 
 require (
-	github.com/cnabio/cnab-go v0.23.1
-	github.com/containerd/containerd v1.6.1
-	github.com/docker/cli v20.10.13+incompatible
+	github.com/cnabio/cnab-go v0.23.4
+	github.com/containerd/containerd v1.6.6
+	github.com/docker/cli v20.10.17+incompatible
 	github.com/docker/distribution v2.8.1+incompatible
-	github.com/docker/docker v20.10.13+incompatible
+	github.com/docker/docker v20.10.17+incompatible
 	github.com/docker/go v1.5.1-1
 	github.com/opencontainers/go-digest v1.0.0
-	github.com/opencontainers/image-spec v1.0.2
+	github.com/opencontainers/image-spec v1.0.3-0.20211202183452-c5a74bcca799
 	github.com/sirupsen/logrus v1.8.1
 	github.com/spf13/cobra v1.2.1
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
@@ -41,7 +41,7 @@ require (
 	github.com/moby/term v0.0.0-20210610120745-9d4ed1856297 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	github.com/prometheus/client_golang v1.11.0 // indirect
+	github.com/prometheus/client_golang v1.11.1 // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
 	github.com/prometheus/common v0.30.0 // indirect
 	github.com/prometheus/procfs v0.7.3 // indirect
@@ -53,7 +53,7 @@ require (
 	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
 	github.com/xeipuuv/gojsonschema v1.2.0 // indirect
 	golang.org/x/net v0.0.0-20220225172249-27dd8689420f // indirect
-	golang.org/x/sys v0.0.0-20220310020820-b874c991c1a5 // indirect
+	golang.org/x/sys v0.0.0-20220412211240-33da011f77ad // indirect
 	google.golang.org/genproto v0.0.0-20220314164441-57ef72a4c106 // indirect
 	google.golang.org/grpc v1.45.0 // indirect
 	google.golang.org/protobuf v1.27.1 // indirect