contracts-bedrock: commit latest devnet artifacts (#3201)

Also fix the issue with the deployments being
added to the gitignore when they shouldn't be.

This includes the contracts for the latest goerli
deployment.

.changeset/big-ways-push.md

+---
+'@eth-optimism/contracts-bedrock': patch
+---
+
+Include latest devnet deployment artifacts

packages/contracts-bedrock/.gitignore

@@ -4,7 +4,6 @@ cache
 typechain
 coverage.out
 .deps
-deployments
 broadcast
 genesis.json
 src/contract-artifacts.ts

packages/contracts-bedrock/deployments/goerli/.chainId

+5
\ No newline at end of file