Add C++ runtime for vocos (#2014)

nodejs-addon-examples/README.md

@@ -400,7 +400,7 @@ wget https://github.com/k2-fsa/sherpa-onnx/releases/download/tts-models/matcha-i
 tar xf matcha-icefall-en_US-ljspeech.tar.bz2
 rm matcha-icefall-en_US-ljspeech.tar.bz2
 
-wget https://github.com/k2-fsa/sherpa-onnx/releases/download/vocoder-models/hifigan_v2.onnx
+wget https://github.com/k2-fsa/sherpa-onnx/releases/download/vocoder-models/vocos-22khz-univ.onnx
 
 node ./test_tts_non_streaming_matcha_icefall_en.js
 ```
@@ -411,7 +411,7 @@ wget https://github.com/k2-fsa/sherpa-onnx/releases/download/tts-models/matcha-i
 tar xvf matcha-icefall-zh-baker.tar.bz2
 rm matcha-icefall-zh-baker.tar.bz2
 
-wget https://github.com/k2-fsa/sherpa-onnx/releases/download/vocoder-models/hifigan_v2.onnx
+wget https://github.com/k2-fsa/sherpa-onnx/releases/download/vocoder-models/vocos-22khz-univ.onnx
 
 node ./test_tts_non_streaming_matcha_icefall_zh.js
 ```

nodejs-addon-examples/test_tts_non_streaming_matcha_icefall_en.js

@@ -9,7 +9,7 @@ function createOfflineTts() {
     model: {
       matcha: {
         acousticModel: './matcha-icefall-en_US-ljspeech/model-steps-3.onnx',
-        vocoder: './hifigan_v2.onnx',
+        vocoder: './vocos-22khz-univ.onnx',
         lexicon: './matcha-icefall-en_US-ljspeech/lexicon.txt',
         tokens: './matcha-icefall-en_US-ljspeech/tokens.txt',
         dataDir: './matcha-icefall-en_US-ljspeech/espeak-ng-data',

nodejs-addon-examples/test_tts_non_streaming_matcha_icefall_zh.js

@@ -9,7 +9,7 @@ function createOfflineTts() {
     model: {
       matcha: {
         acousticModel: './matcha-icefall-zh-baker/model-steps-3.onnx',
-        vocoder: './hifigan_v2.onnx',
+        vocoder: './vocos-22khz-univ.onnx',
         lexicon: './matcha-icefall-zh-baker/lexicon.txt',
         tokens: './matcha-icefall-zh-baker/tokens.txt',
         dictDir: './matcha-icefall-zh-baker/dict',