Caplin: Fixed reforwarding of Bls Execution changes (#10577)

Cherry pick PR #10546 into the release branch

Co-authored-by: Giulio rebuffo <[email protected]>

Author: yperbasis

cl/sentinel/service/service.go

@@ -96,7 +96,8 @@ func (s *SentinelServer) PublishGossip(_ context.Context, msg *sentinelrpc.Gossi
 		gossip.TopicNameVoluntaryExit,
 		gossip.TopicNameProposerSlashing,
 		gossip.TopicNameSyncCommitteeContributionAndProof,
-		gossip.TopicNameAttesterSlashing:
+		gossip.TopicNameAttesterSlashing,
+		gossip.TopicNameBlsToExecutionChange:
 		subscription = manager.GetMatchingSubscription(msg.Name)
 	default:
 		// check subnets