Feat:new api /sequence2txt and update QWenSeq2txt (#11643)

### What problem does this PR solve?
change:
new api /sequence2txt,
update QWenSeq2txt and ZhipuSeq2txt

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

pyproject.toml

@@ -152,7 +152,9 @@ dependencies = [
     "moodlepy>=0.23.0",
     "pypandoc>=1.16",
     "pyobvector==0.2.18",
-    "exceptiongroup>=1.3.0,<2.0.0"
+    "exceptiongroup>=1.3.0,<2.0.0",
+    "ffmpeg-python>=0.2.0",
+    "imageio-ffmpeg>=0.6.0",
 ]
 
 [dependency-groups]
@@ -168,6 +170,9 @@ test = [
     "requests-toolbelt>=1.0.0",
 ]
 
+[[tool.uv.index]]
+url = "https://mirrors.aliyun.com/pypi/simple"
+
 [[tool.uv.index]]
 url = "https://pypi.tuna.tsinghua.edu.cn/simple"