Bump litellm from 1.42.3 to 1.44.8

Bumps [litellm](https://github.com/BerriAI/litellm) from 1.42.3 to 1.44.8.
- [Release notes](https://github.com/BerriAI/litellm/releases)
- [Commits](BerriAI/litellm@v1.42.3...v1.44.8)

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

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

Author: dependabot[bot]

requirements-lock.txt

@@ -49,7 +49,7 @@ jsonschema==4.23.0
 jsonschema-specifications==2023.12.1
 langchain-core==0.2.23
 langsmith==0.1.93
-litellm==1.42.3
+litellm==1.44.8
 lxml==4.9.4
 markdown-it-py==3.0.0
 MarkupSafe==2.1.5