add support for Voyage AI (#2159)

### What problem does this PR solve?

#1853  #2138 add support for Voyage AI

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

---------

Co-authored-by: Zhedong Cen <cenzhedong2@126.com>
Co-authored-by: Kevin Hu <kevinhu.sh@gmail.com>

requirements.txt

@@ -86,6 +86,7 @@ torch==2.3.0
 transformers==4.38.1
 umap==0.1.1
 volcengine==1.0.146
+voyageai==0.2.3
 webdriver_manager==4.0.1
 Werkzeug==3.0.3
 wikipedia==1.4.0