Update hive.go serializer to fix empty slices (#405)

Author: muXxer

go.mod

@@ -6,7 +6,7 @@ require (
 	filippo.io/edwards25519 v1.0.0
 	github.com/eclipse/paho.mqtt.golang v1.4.1
 	github.com/ethereum/go-ethereum v1.10.21
-	github.com/iotaledger/hive.go/serializer/v2 v2.0.0-20220804174551-efbca20a83e4
+	github.com/iotaledger/hive.go/serializer/v2 v2.0.0-beta.1
 	github.com/iotaledger/iota.go v1.0.0
 	github.com/pasztorpisti/qs v0.0.0-20171216220353-8d6c33ee906c
 	github.com/pkg/errors v0.9.1

go.sum

@@ -79,8 +79,8 @@ github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFb
 github.com/h2non/parth v0.0.0-20190131123155-b4df798d6542 h1:2VTzZjLZBgl62/EtslCrtky5vbi9dd7HrQPQIx6wqiw=
 github.com/h2non/parth v0.0.0-20190131123155-b4df798d6542/go.mod h1:Ow0tF8D4Kplbc8s8sSb3V2oUCygFHVp8gC3Dn6U4MNI=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
-github.com/iotaledger/hive.go/serializer/v2 v2.0.0-20220804174551-efbca20a83e4 h1:B2N7jbiIKEkLPPA5/kyDXqO6T+cPr5xhhDKS3Tjph9I=
-github.com/iotaledger/hive.go/serializer/v2 v2.0.0-20220804174551-efbca20a83e4/go.mod h1:R6Q0aeFvUzt7+Mjd7fEXeCHOHasMLmXPxUGhCybTSw4=
+github.com/iotaledger/hive.go/serializer/v2 v2.0.0-beta.1 h1:0NwAA/6N8/pUm7IQdd6rjmExfdwNZigYFhE31fOuQrU=
+github.com/iotaledger/hive.go/serializer/v2 v2.0.0-beta.1/go.mod h1:beZKjVT4HPayWfwsmItNNI5E81rS783vGx5ZwRbZQgY=
 github.com/iotaledger/iota.go v1.0.0 h1:tqm1FxJ/zOdzbrAaQ5BQpVF8dUy2eeGlSeWlNG8GoXY=
 github.com/iotaledger/iota.go v1.0.0/go.mod h1:RiKYwDyY7aCD1L0YRzHSjOsJ5mUR9yvQpvhZncNcGQI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=