add x-transformer version

requirements.txt

@@ -35,6 +35,7 @@ tensorrt-cu12-libs==10.13.3.9; sys_platform == 'linux'
 torch==2.3.1
 torchaudio==2.3.1
 transformers==4.51.3
+x-transformers==2.11.24
 uvicorn==0.30.0
 wetext==0.0.4
 wget==3.2