deps(deps): bump litellm from 1.69.1 to 1.69.2

Bumps [litellm](https://github.com/BerriAI/litellm) from 1.69.1 to 1.69.2.
- [Release notes](https://github.com/BerriAI/litellm/releases)
- [Commits](https://github.com/BerriAI/litellm/commits)

---
updated-dependencies:
- dependency-name: litellm
  dependency-version: 1.69.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

poetry.lock

@@ -14,7 +14,7 @@ python = "^3.10"
 requests = "^2.31.0"
 pydantic = "^2.0"
 google-adk = "^0.5.0"
-litellm = "^1.69.1"
+litellm = "^1.69.2"
 python-dotenv = "^1.1.0"
 rich = "^14.0.0"
 pandas = "^2.2.3"