Bump litellm from 1.43.13 to 1.83.0 in the pip group across 1 directory

Bumps the pip group with 1 update in the / directory: [litellm](https://github.com/BerriAI/litellm).


Updates `litellm` from 1.43.13 to 1.83.0
- [Release notes](https://github.com/BerriAI/litellm/releases)
- [Commits](https://github.com/BerriAI/litellm/commits)

---
updated-dependencies:
- dependency-name: litellm
  dependency-version: 1.83.0
  dependency-type: direct:production
  dependency-group: pip
...

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

Author: dependabot[bot]

requirements-enrich.txt

@@ -4,6 +4,6 @@
 #
 # Keep these aligned with pr-agent 0.2.4 pins.
 pr-agent==0.2.4
-litellm==1.43.13
+litellm==1.83.0
 openai==1.40.6
 httpx==0.27.2