Build: bump github.com/consensys/gnark-crypto in /tools/block-generator

Bumps [github.com/consensys/gnark-crypto](https://github.com/consensys/gnark-crypto) from 0.12.0 to 0.12.1.
- [Release notes](https://github.com/consensys/gnark-crypto/releases)
- [Changelog](https://github.com/Consensys/gnark-crypto/blob/master/CHANGELOG.md)
- [Commits](Consensys/gnark-crypto@v0.12.0...v0.12.1)

---
updated-dependencies:
- dependency-name: github.com/consensys/gnark-crypto
  dependency-type: indirect
...

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

tools/block-generator/go.mod

@@ -35,7 +35,7 @@ require (
 	github.com/cockroachdb/sentry-go v0.6.1-cockroachdb.2 // indirect
 	github.com/cockroachdb/tokenbucket v0.0.0-20230613231145-182959a1fad6 // indirect
 	github.com/consensys/bavard v0.1.13 // indirect
-	github.com/consensys/gnark-crypto v0.12.0 // indirect
+	github.com/consensys/gnark-crypto v0.12.1 // indirect
 	github.com/containerd/cgroups v1.1.0 // indirect
 	github.com/coreos/go-systemd/v22 v22.5.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect

tools/block-generator/go.sum

@@ -119,8 +119,8 @@ github.com/cockroachdb/tokenbucket v0.0.0-20230613231145-182959a1fad6/go.mod h1:
 github.com/codegangsta/inject v0.0.0-20150114235600-33e0aa1cb7c0/go.mod h1:4Zcjuz89kmFXt9morQgcfYZAYZ5n8WHjt81YYWIwtTM=
 github.com/consensys/bavard v0.1.13 h1:oLhMLOFGTLdlda/kma4VOJazblc7IM5y5QPd2A/YjhQ=
 github.com/consensys/bavard v0.1.13/go.mod h1:9ItSMtA/dXMAiL7BG6bqW2m3NdSEObYWoH223nGHukI=
-github.com/consensys/gnark-crypto v0.12.0 h1:1OnSpOykNkUIBIBJKdhwy2p0JlW5o+Az02ICzZmvvdg=
-github.com/consensys/gnark-crypto v0.12.0/go.mod h1:v2Gy7L/4ZRosZ7Ivs+9SfUDr0f5UlG+EM5t7MPHiLuY=
+github.com/consensys/gnark-crypto v0.12.1 h1:lHH39WuuFgVHONRl3J0LRBtuYdQTumFSDtJF7HpyG8M=
+github.com/consensys/gnark-crypto v0.12.1/go.mod h1:v2Gy7L/4ZRosZ7Ivs+9SfUDr0f5UlG+EM5t7MPHiLuY=
 github.com/containerd/cgroups v0.0.0-20201119153540-4cbc285b3327/go.mod h1:ZJeTFisyysqgcCdecO57Dj79RfL0LNeGiFUqLYQRYLE=
 github.com/containerd/cgroups v1.1.0 h1:v8rEWFl6EoqHB+swVNjVoCJE8o3jX7e8nqBGPLaDFBM=
 github.com/containerd/cgroups v1.1.0/go.mod h1:6ppBcbh/NOOUU+dMKrykgaBnK9lCIBxHqJDGwsa1mIw=