build(deps): bump sentencepiece from 0.1.99 to 0.2.0

Bumps [sentencepiece](https://github.com/google/sentencepiece) from 0.1.99 to 0.2.0.
- [Release notes](https://github.com/google/sentencepiece/releases)
- [Commits](google/sentencepiece@v0.1.99...v0.2.0)

---
updated-dependencies:
- dependency-name: sentencepiece
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -61,7 +61,7 @@ scikit-learn==1.5.2
 scipy==1.14.1
 segtok==1.5.11
 semver==3.0.2
-sentencepiece==0.1.99
+sentencepiece==0.2.0
 six==1.17.0
 smart-open==7.1.0
 soupsieve==2.6