refactor: replace interface{} with any for modern Go style

Update callback function signatures to use the any alias introduced in Go 1.18,
improving code readability and following current Go conventions.

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

pkg/tts/aliyun.go

@@ -34,13 +34,13 @@ type result struct {
 var DefaultTTS = &AliTTS{}
 
 // onTaskFailed TTS 合成失败回调
-func (tts *AliTTS) onTaskFailed(text string, param interface{}) {
+func (tts *AliTTS) onTaskFailed(text string, param any) {
 	p, _ := param.(*result)
 	p.Error = fmt.Errorf("语音合成异常: %v", text)
 }
 
 // onSynthesisResult TTS 合成数据回调
-func (tts *AliTTS) onSynthesisResult(data []byte, param interface{}) {
+func (tts *AliTTS) onSynthesisResult(data []byte, param any) {
 	p, _ := param.(*result)
 	p.Data.Write(data)
 }