Bump litellm from 1.40.0 to 1.44.8 in pathway and rag demos (#7329)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: pawel.podhajski <pawel.podhajski@pathway.com>
Co-authored-by: Pawel Podhajski <106311100+pw-ppodhajski@users.noreply.github.com>
Co-authored-by: berkecanrizai <63911408+berkecanrizai@users.noreply.github.com>
GitOrigin-RevId: 48d1cc935c798494f0eeff16a1d3fe21c2dc4059

Author: 3 people

pyproject.toml

@@ -51,7 +51,7 @@ dependencies = [
 [project.optional-dependencies]
 xpack-llm = [
     "openai >= 1.6",
-    "litellm ~= 1.42.0",
+    "litellm ~= 1.44.8",
     "cohere ~= 5.1.0",
     "tiktoken >= 0.5",
     "langchain_core == 0.1.30",