txpool.BestPool: race

[AskAlexSharov]

==================
WARNING: DATA RACE
Write at 0x00c012583a80 by goroutine 327:
  github.com/erigontech/erigon/txnprovider/txpool.(*BestQueue).Push()
      /home/ubuntu/erigon/txnprovider/txpool/queues.go:76 +0x12c
  container/heap.Push()
      /usr/local/go/src/container/heap/heap.go:52 +0x45
  github.com/erigontech/erigon/txnprovider/txpool.(*SubPool).Add()
      /home/ubuntu/erigon/txnprovider/txpool/sub_pool.go:113 +0x576
  github.com/erigontech/erigon/txnprovider/txpool.(*TxPool).addLocked()
      /home/ubuntu/erigon/txnprovider/txpool/pool.go:1519 +0x16a4
  github.com/erigontech/erigon/txnprovider/txpool.(*TxPool).addTxns()
      /home/ubuntu/erigon/txnprovider/txpool/pool.go:1308 +0x86d
  github.com/erigontech/erigon/txnprovider/txpool.(*TxPool).processRemoteTxns()
      /home/ubuntu/erigon/txnprovider/txpool/pool.go:511 +0x7c7
  github.com/erigontech/erigon/txnprovider/txpool.(*TxPool).Run()
      /home/ubuntu/erigon/txnprovider/txpool/pool.go:1887 +0x9b2
  github.com/erigontech/erigon/eth.(*Ethereum).Start.func3()
      /home/ubuntu/erigon/eth/backend.go:1594 +0x7a
  golang.org/x/sync/errgroup.(*Group).Go.func1()
      /home/ubuntu/go/pkg/mod/golang.org/x/sync@v0.10.0/errgroup/errgroup.go:78 +0x91

Previous read at 0x00c012583a80 by goroutine 329:
  github.com/erigontech/erigon/txnprovider/txpool.(*BestQueue).Len()
      /home/ubuntu/erigon/txnprovider/txpool/queues.go:59 +0x1a7
  github.com/erigontech/erigon/txnprovider/txpool.(*SubPool).Len()
      /home/ubuntu/erigon/txnprovider/txpool/sub_pool.go:105 +0x187
  github.com/erigontech/erigon/txnprovider/txpool.(*TxPool).OnNewBlock.func1()
      /home/ubuntu/erigon/txnprovider/txpool/pool.go:313 +0x6f
  runtime.deferreturn()
      /usr/local/go/src/runtime/panic.go:605 +0x5d
  github.com/erigontech/erigon/txnprovider/txpool.(*Fetch).handleStateChangesRequest()
      /home/ubuntu/erigon/txnprovider/txpool/fetch.go:516 +0x47a
  github.com/erigontech/erigon/txnprovider/txpool.(*Fetch).handleStateChanges()
      /home/ubuntu/erigon/txnprovider/txpool/fetch.go:468 +0x2ad
  github.com/erigontech/erigon/txnprovider/txpool.(*Fetch).ConnectCore.func1()
      /home/ubuntu/erigon/txnprovider/txpool/fetch.go:124 +0xa4