vendor: add goactionscache

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

go.mod

@@ -7,7 +7,6 @@ require (
 	github.com/BurntSushi/toml v0.3.1
 	github.com/Microsoft/go-winio v0.4.15
 	github.com/Microsoft/hcsshim v0.8.10
-	github.com/codahale/hdrhistogram v0.0.0-20160425231609-f8ad88b59a58 // indirect
 	github.com/containerd/console v1.0.1
 	github.com/containerd/containerd v1.4.1-0.20201215193253-e922d5553d12
 	github.com/containerd/continuity v0.0.0-20201208142359-180525291bb7
@@ -28,19 +27,13 @@ require (
 	github.com/golang/protobuf v1.4.3
 	github.com/google/go-cmp v0.5.1
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
-	github.com/gorilla/mux v1.8.0 // indirect
 	github.com/grpc-ecosystem/go-grpc-middleware v1.2.0
 	github.com/grpc-ecosystem/grpc-opentracing v0.0.0-20180507213350-8e809c8a8645
 	github.com/hashicorp/go-immutable-radix v1.0.0
 	github.com/hashicorp/golang-lru v0.5.3
-	github.com/hashicorp/uuid v0.0.0-20160311170451-ebb0a03e909c // indirect
-	github.com/ishidawataru/sctp v0.0.0-20191218070446-00ab2ac2db07 // indirect
 	github.com/jaguilar/vt100 v0.0.0-20150826170717-2703a27b14ea
 	github.com/mitchellh/hashstructure v1.0.0
 	github.com/moby/locker v1.0.1
-	github.com/moby/sys/mount v0.1.1 // indirect; force more current version of sys/mount than go mod selects automatically
-	github.com/moby/sys/mountinfo v0.4.0 // indirect; force more current version of sys/mountinfo than go mod selects automatically
-	github.com/moby/term v0.0.0-20200915141129-7f0af18e79f2 // indirect
 	github.com/morikuni/aec v1.0.0
 	github.com/opencontainers/go-digest v1.0.0
 	github.com/opencontainers/image-spec v1.0.1
@@ -53,11 +46,11 @@ require (
 	github.com/pkg/profile v1.5.0
 	github.com/serialx/hashring v0.0.0-20190422032157-8b2912629002
 	github.com/sirupsen/logrus v1.7.0
-	github.com/stretchr/testify v1.5.1
+	github.com/stretchr/testify v1.7.0
 	github.com/tonistiigi/fsutil v0.0.0-20201103201449-0834f99b7b85
+	github.com/tonistiigi/go-actions-cache v0.0.0-20210206051143-d2e2f65e1fd4
 	github.com/tonistiigi/units v0.0.0-20180711220420-6950e57a87ea
 	github.com/uber/jaeger-client-go v2.25.0+incompatible
-	github.com/uber/jaeger-lib v2.2.0+incompatible // indirect
 	github.com/urfave/cli v1.22.2
 	go.etcd.io/bbolt v1.3.5
 	golang.org/x/crypto v0.0.0-20201117144127-c1f2f97bffc9