Update argilla extra to install argilla_sdk

For the moment it's being installed as `pip install git+https://github.com/argilla-io/argilla-python.git@main`

pyproject.toml

@@ -68,7 +68,7 @@ tests = [
 
 # Optional LLMs, integrations, etc
 anthropic = ["anthropic >= 0.20.0"]
-argilla = ["argilla >= 1.29.0"]
+argilla = ["argilla_sdk >= 0.1.0a3"]
 cohere = ["cohere >= 5.2.0"]
 groq = ["groq >= 0.4.1"]
 hf-inference-endpoints = ["huggingface_hub >= 0.19.0"]