Add priority attribute to SyncWorkflowStateTask (#5819)

## What changed?
<!-- Describe what has changed in this PR -->
Add priority attribute to Replication Task and SyncWorkflowState task
## Why?
<!-- Tell your future self why have you made these changes -->
To distinguish priority on task priority on replication stack
## How did you test it?
<!-- How have you verified this change? Tested locally? Added a unit
test? Checked in staging env? -->
Unit test and integration test
## Potential risks
<!-- Assuming the worst case, what can be broken when deploying this
change to production? -->
Failed to serailize/deserailize. Current tests should be able to capture
it.
## Documentation
<!-- Have you made sure this change doesn't falsify anything currently
stated in `docs/`? If significant
new behavior is added, have you described that in `docs/`? -->
n/a
## Is hotfix candidate?
<!-- Is this PR a hotfix candidate or does it require a notification to
be sent to the broader community? (Yes/No) -->
no

api/replication/v1/message.go-helpers.pb.go

@@ -177,6 +177,43 @@ func (this *SyncReplicationState) Equal(that interface{}) bool {
 	return proto.Equal(this, that1)
 }
 
+// Marshal an object of type ReplicationState to the protobuf v3 wire format
+func (val *ReplicationState) Marshal() ([]byte, error) {
+	return proto.Marshal(val)
+}
+
+// Unmarshal an object of type ReplicationState from the protobuf v3 wire format
+func (val *ReplicationState) Unmarshal(buf []byte) error {
+	return proto.Unmarshal(buf, val)
+}
+
+// Size returns the size of the object, in bytes, once serialized
+func (val *ReplicationState) Size() int {
+	return proto.Size(val)
+}
+
+// Equal returns whether two ReplicationState values are equivalent by recursively
+// comparing the message's fields.
+// For more information see the documentation for
+// https://pkg.go.dev/google.golang.org/protobuf/proto#Equal
+func (this *ReplicationState) Equal(that interface{}) bool {
+	if that == nil {
+		return this == nil
+	}
+
+	var that1 *ReplicationState
+	switch t := that.(type) {
+	case *ReplicationState:
+		that1 = t
+	case ReplicationState:
+		that1 = &t
+	default:
+		return false
+	}
+
+	return proto.Equal(this, that1)
+}
+
 // Marshal an object of type ReplicationMessages to the protobuf v3 wire format
 func (val *ReplicationMessages) Marshal() ([]byte, error) {
 	return proto.Marshal(val)