test(utils): 添加事件驱动模型测试

- 在 sqrt_test.go 中添加了 fastSqr1 测试函数，用于测试事件驱动模型
- 新增了 Event 和 Uint32AsyncEvent 类型用于测试
- 更新了 go.work、go.mod 和

common/utils/event/test_scenarios/fire-and-forget/events/main.go

@@ -0,0 +1,36 @@
+package events
+
+type UserRegisteredEvent struct {
+	UserName string
+	Phone    string
+}
+
+func (e UserRegisteredEvent) Async() bool {
+	return true
+}
+
+type SMSRequestEvent struct {
+	Number  string
+	Message string
+}
+
+func (e SMSRequestEvent) Async() bool {
+	return true
+}
+
+type SMSSentEvent struct {
+	Request SMSRequestEvent
+	Status  string
+}
+
+func (e SMSSentEvent) Async() bool {
+	return true
+}
+
+type DummyEvent struct {
+	AlteredAsync bool
+}
+
+func (e *DummyEvent) Async() bool {
+	return e.AlteredAsync
+}