Fix the IBC2 acknowledge struct

Author: aumetra

packages/std/src/ibc2.rs

@@ -139,7 +139,7 @@ pub struct Ibc2PacketAckMsg {
     pub source_client: String,
     pub destination_client: String,
     pub data: Ibc2Payload,
-    pub acknowledgement: Vec<u8>,
+    pub acknowledgement: Binary,
     pub relayer: Addr,
 }
 
@@ -148,7 +148,7 @@ impl Ibc2PacketAckMsg {
         source_client: String,
         destination_client: String,
         data: Ibc2Payload,
-        acknowledgement: Vec<u8>,
+        acknowledgement: Binary,
         relayer: Addr,
     ) -> Self {
         Self {

packages/std/src/testing/mock.rs

@@ -683,7 +683,7 @@ pub fn mock_ibc2_packet_ack(data: &impl Serialize) -> StdResult<Ibc2PacketAckMsg
             encoding: "json".to_string(),
             value: to_json_binary(data)?,
         },
-        vec![],
+        Binary::new(vec![]),
         Addr::unchecked("relayer"),
     ))
 }