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

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

metadata/images.go

@@ -23,7 +23,6 @@ import (
 	"strings"
 	"time"
 
-	"github.com/boltdb/bolt"
 	"github.com/containerd/containerd/errdefs"
 	"github.com/containerd/containerd/filters"
 	"github.com/containerd/containerd/images"
@@ -33,6 +32,7 @@ import (
 	digest "github.com/opencontainers/go-digest"
 	ocispec "github.com/opencontainers/image-spec/specs-go/v1"
 	"github.com/pkg/errors"
+	bolt "go.etcd.io/bbolt"
 )
 
 type imageStore struct {