update go-fetcher version and fix import

go.mod

@@ -8,7 +8,7 @@ require (
 	github.com/ipfs/go-cid v0.0.7
 	github.com/ipfs/go-cidutil v0.0.2
 	github.com/ipfs/go-datastore v0.4.5
-	github.com/ipfs/go-fetcher v0.0.0-20210302172900-44f845d07dbe
+	github.com/ipfs/go-fetcher v0.1.0
 	github.com/ipfs/go-ipfs-blockstore v0.1.4
 	github.com/ipfs/go-ipfs-blocksutil v0.0.1
 	github.com/ipfs/go-ipfs-exchange-offline v0.0.1

simple/reprovide.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	cidlink "github.com/ipld/go-ipld-prime/linking/cid"
 	"time"
 
 	"github.com/cenkalti/backoff"
@@ -14,6 +13,7 @@ import (
 	blocks "github.com/ipfs/go-ipfs-blockstore"
 	logging "github.com/ipfs/go-log"
 	"github.com/ipfs/go-verifcid"
+	cidlink "github.com/ipld/go-ipld-prime/linking/cid"
 	"github.com/libp2p/go-libp2p-core/routing"
 )