Libs(Go): expose tag for several MessageAttempt list endpoints

Another case of a query param we have in the private API, not exposed in
the public API.

go/messageattempt.go

@@ -35,6 +35,7 @@ type MessageAttemptListOptions struct {
 	Channel         *string
 	EndpointId      *string
 	WithContent     *bool
+	Tag             *string
 }
 
 // Deprecated: use `ListByMsg` or `ListByEndpoint` instead
@@ -75,6 +76,9 @@ func (m *MessageAttempt) ListByMsg(ctx context.Context, appId string, msgId stri
 		if options.WithContent != nil {
 			req = req.WithContent(*options.WithContent)
 		}
+		if options.Tag != nil {
+			req = req.Tag(*options.Tag)
+		}
 	}
 	out, res, err := req.Execute()
 	if err != nil {
@@ -114,6 +118,9 @@ func (m *MessageAttempt) ListByEndpoint(ctx context.Context, appId string, endpo
 		if options.WithContent != nil {
 			req = req.WithContent(*options.WithContent)
 		}
+		if options.Tag != nil {
+			req = req.Tag(*options.Tag)
+		}
 	}
 	out, res, err := req.Execute()
 	if err != nil {
@@ -175,6 +182,9 @@ func (m *MessageAttempt) ListAttemptedMessages(ctx context.Context, appId string
 		if options.EventTypes != nil {
 			req = req.EventTypes(*options.EventTypes)
 		}
+		if options.Tag != nil {
+			req = req.Tag(*options.Tag)
+		}
 	}
 	out, res, err := req.Execute()
 	if err != nil {
@@ -226,6 +236,9 @@ func (m *MessageAttempt) ListAttemptsForEndpoint(ctx context.Context, appId stri
 		if options.Channel != nil {
 			req = req.Channel(*options.Channel)
 		}
+		if options.Tag != nil {
+			req = req.Tag(*options.Tag)
+		}
 	}
 	out, res, err := req.Execute()
 	if err != nil {