fix(deps): update dependency litellm to v1.81.13 (#2741)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

poetry.lock

@@ -60,7 +60,7 @@ jedi = "^0.19.0"
 langchain = "^0.3.11"
 langchain-experimental = "^0.3.4"
 langchain-openai = "^0.3.2"
-litellm = "1.79.3"
+litellm = "1.81.13"
 llama-index = "^0.14.0"
 llama-index-llms-openai = "^0.6.0"
 lxml = "^6.0.0"