chore(deps): Update langchain and related dependencies in poetry.lock and pyproject.toml

- Bump langchain to version 0.3.27 and langchain-community to version 0.3.29.
- Update langchain-core to version 0.3.76 and langchain-text-splitters to version 0.3.11.
- Adjust langsmith to version 0.4.30 and pydantic-settings to version 2.10.1.
- Update requests to version 2.32.5 and other related dependencies for compatibility.

Author: dragos199993

poetry.lock

@@ -21,7 +21,7 @@ langchain = { version = ">=0.3.22", optional = true }
 langchain-google-genai = { version = ">=2.1.2", optional = true }
 langchain-openai = { version = ">=0.3.9", optional = true }
 langchain-anthropic = { version = ">=0.3.10", optional = true }
-langchain-community = { version = ">=0.3.20", optional = true }
+langchain-community = { version = ">=0.3.27", optional = true }
 langchain-mistralai = { version = ">=0.2.10", optional = true }
 langchain-together = { version = ">=0.3.0", optional = true }
 langchain-cohere = { version = ">=0.4.3", optional = true }