chore: bump go-libipfs to replace go-block-format

Includes changes from:
- ipfs/go-block-format#37
- #58


This commit was moved from ipfs/kubo@f20c980

gateway/core/corehttp/gateway_handler_car.go

@@ -6,8 +6,8 @@ import (
  "net/http"
  "time"
 
- blocks "github.com/ipfs/go-block-format"
  cid "github.com/ipfs/go-cid"
+ blocks "github.com/ipfs/go-libipfs/blocks"
  coreiface "github.com/ipfs/interface-go-ipfs-core"
  ipath "github.com/ipfs/interface-go-ipfs-core/path"
  "github.com/ipfs/kubo/tracing"