Bump github.com/attestantio/go-builder-client from 0.4.2 to 0.4.3

Bumps [github.com/attestantio/go-builder-client](https://github.com/attestantio/go-builder-client) from 0.4.2 to 0.4.3.
- [Commits](attestantio/go-builder-client@v0.4.2...v0.4.3)

---
updated-dependencies:
- dependency-name: github.com/attestantio/go-builder-client
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

go.mod

@@ -60,7 +60,7 @@ require (
 require (
 	github.com/StackExchange/wmi v1.2.1 // indirect
 	github.com/VictoriaMetrics/fastcache v1.12.1 // indirect
-	github.com/attestantio/go-builder-client v0.4.2
+	github.com/attestantio/go-builder-client v0.4.3
 	github.com/attestantio/go-eth2-client v0.19.10
 	github.com/btcsuite/btcd v0.22.0-beta // indirect
 	github.com/btcsuite/btcd/btcec/v2 v2.3.2 // indirect

go.sum

@@ -16,8 +16,8 @@ github.com/ajg/form v1.5.1/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY
 github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156 h1:eMwmnE/GDgah4HI848JfFxHt+iPb26b4zyfspmqY0/8=
 github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
-github.com/attestantio/go-builder-client v0.4.2 h1:EycfAFqQV+ooc2z6hmTsbuH4TCLknr0aO0nHLHLMpJM=
-github.com/attestantio/go-builder-client v0.4.2/go.mod h1:e02i/WO4fjs3/u9oIZEjiC8CK1Qyxy4cpiMMGKx4VqQ=
+github.com/attestantio/go-builder-client v0.4.3 h1:K1m/PTqY01mfAPc0h+9iR2OivY3LOevbxHxEfvI4M8M=
+github.com/attestantio/go-builder-client v0.4.3/go.mod h1:yeJANU1O5P3b/4+iwShz9JMcgUnZABCh5RJBtZnLiDo=
 github.com/attestantio/go-eth2-client v0.19.10 h1:NLs9mcBvZpBTZ3du7Ey2NHQoj8d3UePY7pFBXX6C6qs=
 github.com/attestantio/go-eth2-client v0.19.10/go.mod h1:TTz7YF6w4z6ahvxKiHuGPn6DbQn7gH6HPuWm/DEQeGE=
 github.com/aymerick/raymond v2.0.3-0.20180322193309-b565731e1464+incompatible/go.mod h1:osfaiScAUVup+UC9Nfq76eWqDhXlp+4UYaA8uhTBO6g=