Bump github.com/ethereum/go-ethereum from 1.10.26 to 1.12.1 (#24)

Bumps [github.com/ethereum/go-ethereum](https://github.com/ethereum/go-ethereum) from 1.10.26 to 1.12.1.
- [Release notes](https://github.com/ethereum/go-ethereum/releases)
- [Commits](ethereum/go-ethereum@v1.10.26...v1.12.1)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -4,7 +4,7 @@ go 1.17
 
 require (
 	github.com/dchest/uniuri v1.2.0
-	github.com/ethereum/go-ethereum v1.10.26
+	github.com/ethereum/go-ethereum v1.12.1
 	github.com/relvacode/iso8601 v1.1.1-0.20210511065120-b30b151cc433
 	github.com/stretchr/testify v1.8.1
 )
@@ -13,8 +13,9 @@ require (
 	github.com/btcsuite/btcd/btcec/v2 v2.3.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.1.0 // indirect
+	github.com/holiman/uint256 v1.2.3 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	golang.org/x/crypto v0.4.0 // indirect
-	golang.org/x/sys v0.3.0 // indirect
+	golang.org/x/crypto v0.9.0 // indirect
+	golang.org/x/sys v0.9.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )