Update poetry dependencies

[github-actions]

Update poetry dependencies to use latest compatible versions.

Poetry update message:
Updating dependencies
Resolving dependencies...

Package operations: 0 installs, 40 updates, 0 removals

• Updating certifi (2025.7.14 -> 2025.8.3)
• Updating charset-normalizer (3.4.2 -> 3.4.3)
• Updating anyio (4.9.0 -> 4.10.0)
• Updating requests (2.32.4 -> 2.32.5)
• Updating orjson (3.11.0 -> 3.11.2)
• Updating rpds-py (0.26.0 -> 0.27.0)
• Updating zstandard (0.23.0 -> 0.24.0)
• Updating langsmith (0.4.8 -> 0.4.16)
• Updating botocore (1.39.10 -> 1.40.16)
• Updating greenlet (3.2.3 -> 3.2.4)
• Updating multidict (6.6.3 -> 6.6.4)
• Updating langchain-core (0.3.70 -> 0.3.74)
• Updating jsonschema (4.25.0 -> 4.25.1)
• Updating langchain-text-splitters (0.3.8 -> 0.3.9)
• Updating narwhals (1.48.0 -> 2.1.2)
• Updating regex (2024.11.6 -> 2025.7.34)
• Updating sqlalchemy (2.0.41 -> 2.0.43)
• Updating aiohttp (3.12.14 -> 3.12.15)
• Updating boto3 (1.39.10 -> 1.40.16)
• Updating filelock (3.18.0 -> 3.19.1)
• Updating gitpython (3.1.44 -> 3.1.45)
• Updating langchain (0.3.26 -> 0.3.27)
• Updating langgraph-sdk (0.1.74 -> 0.2.3)
• Updating ollama (0.5.1 -> 0.5.3)
• Updating langgraph-prebuilt (0.5.2 -> 0.6.4)
• Updating openai (1.97.0 -> 1.101.0)
• Updating pandas (2.3.1 -> 2.3.2)
• Updating protobuf (6.31.1 -> 6.32.0)
• Updating tiktoken (0.9.0 -> 0.11.0)
• Updating tornado (6.5.1 -> 6.5.2)
• Updating wrapt (1.17.2 -> 1.17.3)
• Updating faiss-cpu (1.11.0.post1 -> 1.12.0)
• Updating identify (2.6.12 -> 2.6.13)
• Updating langchain-aws (0.2.29 -> 0.2.31)
• Updating langchain-ollama (0.3.5 -> 0.3.7)
• Updating langgraph (0.5.4 -> 0.6.6)
• Updating langchain-openai (0.3.28 -> 0.3.31)
• Updating pypdf (5.8.0 -> 5.9.0)
• Updating streamlit (1.47.0 -> 1.48.1)
• Updating virtualenv (20.32.0 -> 20.34.0)

Writing lock file