FIX - Revert Python requirements (not working yet before release), fix release note URL

Author: Valentin-Laurent

README.rst

@@ -38,7 +38,7 @@
 MAPIE - Model Agnostic Prediction Interval Estimator
 ====================================================
 
- 🎉 MAPIE v1.0.0 is live!  🎉 You're seeing the documentation of this new version, which introduces major changes to the API. Extensive release notes are available `here <https://mapie.readthedocs.io/en/latest/v1_migration_guide.html>`_. You can switch to the documentation of previous versions using the button on the bottom right of ReadTheDoc pages.
+ 🎉 MAPIE v1.0.0 is live!  🎉 You're seeing the documentation of this new version, which introduces major changes to the API. Extensive release notes are available `here <https://mapie.readthedocs.io/en/stable/v1_release_notes.html>`_. You can switch to the documentation of previous versions using the button on the bottom right of ReadTheDoc pages.
 
 **MAPIE** is an open-source Python library for quantifying uncertainties and controlling the risks of machine learning models.
 
@@ -60,7 +60,7 @@ MAPIE relies notably on the fields of Conformal Prediction and Distribution-Free
 
 MAPIE runs on:
 
-- Python >=3.9
+- Python >=3.9, <3.12
 - NumPy >=1.23
 - scikit-learn >=1.4