Update requirements.txt with pybind11 2.13.1 (#1548)

necessary for successful installation of the fasttext==0.9.2 module

### What problem does this PR solve?

Aiming to solve issue #1547 

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

requirements.txt

@@ -135,6 +135,7 @@ BCEmbedding
 loguru==0.7.2
 umap-learn
 fasttext==0.9.2
+pybind11==2.13.1
 volcengine==1.0.141
 readability-lxml==0.8.1
 html_text==0.6.2