privval: allow passing options to NewSignerDialerEndpoint (#5434) (#5437)

Required for #5291 to set timeouts for remote signers.

CHANGELOG_PENDING.md

@@ -24,5 +24,7 @@ Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermi
 
 - [config] \#5433 `statesync.rpc_servers` is now properly set when writing the configuration file (@erikgrinaker)
 
+- [privval] \#5437 `NewSignerDialerEndpoint` can now be given `SignerServiceEndpointOption` (@erikgrinaker)
+
 ### BUG FIXES
 

privval/signer_dialer_endpoint.go

@@ -48,6 +48,7 @@ type SignerDialerEndpoint struct {
 func NewSignerDialerEndpoint(
 	logger log.Logger,
 	dialer SocketDialer,
+	options ...SignerServiceEndpointOption,
 ) *SignerDialerEndpoint {
 
 	sd := &SignerDialerEndpoint{
@@ -56,6 +57,10 @@ func NewSignerDialerEndpoint(
 		maxConnRetries: defaultMaxDialRetries,
 	}
 
+	for _, optionFunc := range options {
+		optionFunc(sd)
+	}
+
 	sd.BaseService = *service.NewBaseService(logger, "SignerDialerEndpoint", sd)
 	sd.signerEndpoint.timeoutReadWrite = defaultTimeoutReadWriteSeconds * time.Second