Bump some stale dependencies in go.mod.

go.mod

@@ -3,30 +3,30 @@ module github.com/tektoncd/pipeline
 go 1.13
 
 require (
-	github.com/aws/aws-sdk-go v1.31.12 // indirect
 	github.com/cloudevents/sdk-go/v2 v2.5.0
 	github.com/docker/cli v20.10.8+incompatible // indirect
 	github.com/docker/docker v20.10.8+incompatible // indirect
 	github.com/emicklei/go-restful v2.15.0+incompatible // indirect
 	github.com/ghodss/yaml v1.0.0
 	github.com/go-openapi/spec v0.20.2
 	github.com/google/go-cmp v0.5.6
-	github.com/google/go-containerregistry v0.4.1-0.20210128200529-19c2b639fab1
-	github.com/google/go-containerregistry/pkg/authn/k8schain v0.0.0-20210129212729-5c4818de4025
+	github.com/google/go-containerregistry v0.6.0
+	github.com/google/go-containerregistry/pkg/authn/k8schain v0.0.0-20210918223331-0e8b581974dd
 	github.com/google/uuid v1.3.0
 	github.com/googleapis/gnostic v0.5.3 // indirect
-	github.com/hashicorp/go-multierror v1.1.0
+	github.com/hashicorp/go-multierror v1.1.1
 	github.com/hashicorp/golang-lru v0.5.4
 	github.com/jenkins-x/go-scm v1.10.10
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/pkg/errors v0.9.1
 	github.com/tektoncd/plumbing v0.0.0-20210514044347-f8a9689d5bd5
 	go.opencensus.io v0.23.0
 	go.uber.org/multierr v1.7.0 // indirect
-	go.uber.org/zap v1.19.0
-	golang.org/x/net v0.0.0-20210903162142-ad29c8ab022f // indirect
+	go.uber.org/zap v1.19.1
+	golang.org/x/net v0.0.0-20210917221730-978cfadd31cf // indirect
 	golang.org/x/oauth2 v0.0.0-20210819190943-2bc19b11175f
 	gomodules.xyz/jsonpatch/v2 v2.2.0
+	gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b // indirect
 	k8s.io/api v0.21.4
 	k8s.io/apimachinery v0.21.4
 	k8s.io/client-go v0.21.4