Bump the python-requirements group with 4 updates

Bumps the python-requirements group with 4 updates: [chainlit](https://github.com/Chainlit/chainlit), [langchain](https://github.com/langchain-ai/langchain), [langchain-community](https://github.com/langchain-ai/langchain) and [langchain-ollama](https://github.com/langchain-ai/langchain).


Updates `chainlit` from 1.1.404 to 1.2.0
- [Release notes](https://github.com/Chainlit/chainlit/releases)
- [Changelog](https://github.com/Chainlit/chainlit/blob/main/CHANGELOG.md)
- [Commits](Chainlit/chainlit@1.1.404...1.2.0)

Updates `langchain` from 0.2.16 to 0.3.0
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain==0.2.16...langchain==0.3.0)

Updates `langchain-community` from 0.2.16 to 0.3.0
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-community==0.2.16...langchain-community==0.3.0)

Updates `langchain-ollama` from 0.1.3 to 0.2.0
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-ollama==0.1.3...langchain-ollama==0.2.0)

---
updated-dependencies:
- dependency-name: chainlit
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: python-requirements
- dependency-name: langchain
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: python-requirements
- dependency-name: langchain-community
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: python-requirements
- dependency-name: langchain-ollama
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: python-requirements
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -1,16 +1,16 @@
 # https://github.com/mediawiki-utilities/python-mwxml/pull/19
 git+https://github.com/gdedrouas/python-mwxml@xml_format_0.11
 git+https://github.com/mediawiki-utilities/python-mwtypes@updates_schema_0.11
-chainlit==1.1.404
+chainlit==1.2.0
 chromadb>=0.4.22
 discord>=2.3.2
 fastapi>=0.109.1
-langchain==0.2.16
+langchain==0.3.0
 langchainhub>=0.1.20
 langchain-chroma>=0.1.2
-langchain-community==0.2.16
+langchain-community==0.3.0
 langchain-huggingface>=0.0.3
-langchain-ollama==0.1.3
+langchain-ollama==0.2.0
 openai>=1.12.0
 mwparserfromhell==0.6.6
 sentence-transformers>=2.3.0