Update go-eth2-client dependency & remove replace

go.mod

@@ -3,7 +3,7 @@ module github.com/attestantio/go-builder-client
 go 1.20
 
 require (
-	github.com/attestantio/go-eth2-client v0.21.7-0.20240701211822-0a60485fce68
+	github.com/attestantio/go-eth2-client v0.21.12-0.20240925220056-393fff117304
 	github.com/ferranbt/fastssz v0.1.3
 	// go-yaml after 1.9.2 has memory issues due to https://github.com/goccy/go-yaml/issues/325; avoid.
 	github.com/goccy/go-yaml v1.9.2
@@ -46,6 +46,3 @@ require (
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
-
-// Remove this when attestantio merge's pk's PR.
-replace github.com/attestantio/go-eth2-client => github.com/pk910/go-eth2-client v0.0.0-20240923174943-8d64565c83ca

go.sum

@@ -1,3 +1,5 @@
+github.com/attestantio/go-eth2-client v0.21.12-0.20240925220056-393fff117304 h1:/79oRg0Lu0WQPMh+WjKE5d6cUnCdw6OsiYfqZut1URo=
+github.com/attestantio/go-eth2-client v0.21.12-0.20240925220056-393fff117304/go.mod h1:vy5jU/uDZ2+RcVzq5BfnG+bQ3/6uu9DGwCrGsPtjJ1A=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
@@ -62,8 +64,6 @@ github.com/minio/sha256-simd v1.0.1 h1:6kaan5IFmwTNynnKKpDHe6FWHohJOHhCPchzK49dz
 github.com/minio/sha256-simd v1.0.1/go.mod h1:Pz6AKMiUdngCLpeTL/RJY1M9rUuPMYujV5xJjtbRSN8=
 github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
 github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
-github.com/pk910/go-eth2-client v0.0.0-20240923174943-8d64565c83ca h1:rc6VVR79GdE58Wx1Arh9QNo+0qmXOfYjWQhrbkSeoI0=
-github.com/pk910/go-eth2-client v0.0.0-20240923174943-8d64565c83ca/go.mod h1:vy5jU/uDZ2+RcVzq5BfnG+bQ3/6uu9DGwCrGsPtjJ1A=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=