boltdb/bolt --> go.etcd.io/bbolt

Signed-off-by: John Howard <jhoward@microsoft.com>

metadata/containers_test.go

@@ -27,7 +27,6 @@ import (
 	"testing"
 	"time"
 
-	"github.com/boltdb/bolt"
 	"github.com/containerd/containerd/containers"
 	"github.com/containerd/containerd/errdefs"
 	"github.com/containerd/containerd/filters"
@@ -36,6 +35,7 @@ import (
 	"github.com/gogo/protobuf/types"
 	specs "github.com/opencontainers/runtime-spec/specs-go"
 	"github.com/pkg/errors"
+	bolt "go.etcd.io/bbolt"
 )
 
 func init() {