Updating containerd to the latest (#111)

Signed-off-by: Matt Farina <matt.farina@suse.com>

go.mod

@@ -3,7 +3,7 @@ module oras.land/oras-go
 go 1.17
 
 require (
-	github.com/containerd/containerd v1.5.9
+	github.com/containerd/containerd v1.6.1
 	github.com/distribution/distribution/v3 v3.0.0-20211118083504-a29a3c99a684
 	github.com/docker/cli v20.10.11+incompatible
 	github.com/docker/docker v20.10.11+incompatible
@@ -19,17 +19,14 @@ require (
 )
 
 require (
-	github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 // indirect
-	github.com/Microsoft/go-winio v0.5.1 // indirect
-	github.com/Microsoft/hcsshim v0.9.1 // indirect
+	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
 	github.com/Shopify/logrus-bugsnag v0.0.0-20171204204709-577dee27f20d // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/bshuster-repo/logrus-logstash-hook v1.0.0 // indirect
 	github.com/bugsnag/bugsnag-go v0.0.0-20141110184014-b1d153021fcd // indirect
 	github.com/bugsnag/osext v0.0.0-20130617224835-0dd3f918b21b // indirect
 	github.com/bugsnag/panicwrap v0.0.0-20151223152923-e2c28503fcd0 // indirect
-	github.com/cespare/xxhash/v2 v2.1.1 // indirect
-	github.com/containerd/cgroups v1.0.2 // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/docker/distribution v2.7.1+incompatible // indirect
 	github.com/docker/docker-credential-helpers v0.6.4 // indirect
@@ -40,26 +37,21 @@ require (
 	github.com/docker/libtrust v0.0.0-20150114040149-fa567046d9b1 // indirect
 	github.com/felixge/httpsnoop v1.0.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/gomodule/redigo v1.8.2 // indirect
-	github.com/google/go-cmp v0.5.6 // indirect
 	github.com/gorilla/handlers v1.5.1 // indirect
 	github.com/gorilla/mux v1.8.0 // indirect
 	github.com/inconshreveable/mousetrap v1.0.0 // indirect
 	github.com/klauspost/compress v1.13.6 // indirect
-	github.com/kr/text v0.2.0 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
 	github.com/moby/locker v1.0.1 // indirect
-	github.com/moby/sys/mountinfo v0.5.0 // indirect
-	github.com/moby/term v0.0.0-20200312100748-672ec06f55cd // indirect
+	github.com/moby/term v0.0.0-20210610120745-9d4ed1856297 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
-	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/client_golang v1.7.1 // indirect
+	github.com/prometheus/client_golang v1.11.0 // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/common v0.10.0 // indirect
-	github.com/prometheus/procfs v0.6.0 // indirect
+	github.com/prometheus/common v0.30.0 // indirect
+	github.com/prometheus/procfs v0.7.3 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/yvasiyarov/go-metrics v0.0.0-20140926110328-57bccd1ccd43 // indirect
 	github.com/yvasiyarov/gorelic v0.0.0-20141212073537-a9bba5b9ab50 // indirect
@@ -70,7 +62,6 @@ require (
 	google.golang.org/genproto v0.0.0-20220107163113-42d7afdf6368 // indirect
 	google.golang.org/grpc v1.43.0 // indirect
 	google.golang.org/protobuf v1.27.1 // indirect
-	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )