chore(deps): bump nltk from 3.8.1 to 3.9 in /scripts

Bumps [nltk](https://github.com/nltk/nltk) from 3.8.1 to 3.9.
- [Changelog](https://github.com/nltk/nltk/blob/develop/ChangeLog)
- [Commits](https://github.com/nltk/nltk/compare/3.8.1...3.9)

---
updated-dependencies:
- dependency-name: nltk
  dependency-type: direct:production
...

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

scripts/requirements.txt

@@ -9,7 +9,7 @@ javalang==0.13.0
 langchain==0.1.4
 langchain_community==0.2.9
 langchain-openai==0.0.5
-nltk==3.8.1
+nltk==3.9
 openapi3_parser==1.1.16
 pandas==2.2.0
 PyPDF2==3.0.1