Bump go-eth2-client fulu version

Author: hoanhan101

go.mod

@@ -5,7 +5,7 @@ go 1.23.0
 toolchain go1.23.2
 
 require (
-	github.com/attestantio/go-eth2-client v0.26.1-0.20250721122214-dc2928832acc
+	github.com/attestantio/go-eth2-client v0.26.1-0.20250829122455-ff89a2135a43
 	github.com/ferranbt/fastssz v0.1.4
 	github.com/gofrs/uuid v4.4.0+incompatible
 	github.com/google/uuid v1.6.0

go.sum

@@ -1,7 +1,5 @@
-github.com/attestantio/go-eth2-client v0.26.0 h1:oDWKvIUJfvr1EBi/w9L6mawYZHOCymjHkml7fZplT20=
-github.com/attestantio/go-eth2-client v0.26.0/go.mod h1:fvULSL9WtNskkOB4i+Yyr6BKpNHXvmpGZj9969fCrfY=
-github.com/attestantio/go-eth2-client v0.26.1-0.20250721122214-dc2928832acc h1:rLrx/o7WeRqmE9iXvhyBMDrugOPZRhNBLQD/4XbG6hU=
-github.com/attestantio/go-eth2-client v0.26.1-0.20250721122214-dc2928832acc/go.mod h1:fvULSL9WtNskkOB4i+Yyr6BKpNHXvmpGZj9969fCrfY=
+github.com/attestantio/go-eth2-client v0.26.1-0.20250829122455-ff89a2135a43 h1:v5l00W4U5WuYz6+Cux0URjN/VBKCupwzG6gCgRdn6Wo=
+github.com/attestantio/go-eth2-client v0.26.1-0.20250829122455-ff89a2135a43/go.mod h1:fvULSL9WtNskkOB4i+Yyr6BKpNHXvmpGZj9969fCrfY=
 github.com/aws/aws-sdk-go v1.55.6 h1:cSg4pvZ3m8dgYcgqB97MrcdjUmZ1BeMYKUxMMB89IPk=
 github.com/aws/aws-sdk-go v1.55.6/go.mod h1:eRwEWoyTWFMVYVQzKMNHWP5/RV4xIUGMQfXQHfHkpNU=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=