Merge pull request #2080 from ethereum-optimism/fix/import-perf

batch-submitter: import performance

.changeset/spicy-squids-serve.md

+---
+'@eth-optimism/batch-submitter': patch
+---
+
+Import performance to not couple batch submitter to version of nodejs that has performance as a builtin

packages/batch-submitter/src/batch-submitter/state-batch-submitter.ts

 /* External Imports */
+import { performance } from 'perf_hooks'
+
 import { Promise as bPromise } from 'bluebird'
 import { Contract, Signer, providers } from 'ethers'
 import { TransactionReceipt } from '@ethersproject/abstract-provider'

packages/batch-submitter/src/batch-submitter/tx-batch-submitter.ts

 /* External Imports */
+import { performance } from 'perf_hooks'
+
 import { Promise as bPromise } from 'bluebird'
 import { Signer, ethers, Contract, providers } from 'ethers'
 import { TransactionReceipt } from '@ethersproject/abstract-provider'