Bump github.com/ethereum/go-ethereum in /go/bss-core

Bumps [github.com/ethereum/go-ethereum](https://github.com/ethereum/go-ethereum) from 1.10.12 to 1.12.1.
- [Release notes](https://github.com/ethereum/go-ethereum/releases)
- [Commits](ethereum/go-ethereum@v1.10.12...v1.12.1)

---
updated-dependencies:
- dependency-name: github.com/ethereum/go-ethereum
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

go/bss-core/go.mod

@@ -3,15 +3,13 @@ module github.com/ethereum-optimism/optimism/go/bss-core
 go 1.16
 
 require (
-	github.com/aws/aws-sdk-go v1.42.6 // indirect
 	github.com/decred/dcrd/hdkeychain/v3 v3.0.0
 	github.com/ethereum-optimism/optimism/l2geth v1.0.0
-	github.com/ethereum/go-ethereum v1.10.12
-	github.com/getsentry/sentry-go v0.11.0
-	github.com/prometheus/client_golang v1.11.0
-	github.com/stretchr/testify v1.7.0
-	github.com/tyler-smith/go-bip39 v1.0.1-0.20181017060643-dbb3b84ba2ef
-	github.com/welthee/go-ethereum-aws-kms-tx-signer v0.0.0-20211013075913-ca566ae7abeb // indirect
+	github.com/ethereum/go-ethereum v1.12.1
+	github.com/getsentry/sentry-go v0.18.0
+	github.com/prometheus/client_golang v1.14.0
+	github.com/stretchr/testify v1.8.1
+	github.com/tyler-smith/go-bip39 v1.1.0
 )
 
 replace github.com/ethereum-optimism/optimism/l2geth => ../../l2geth