Fall back to Python 3.12 until 3.13 is supported

Author: DimitriPapadopoulos

.github/workflows/tests.yml

@@ -16,7 +16,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        python-version: ["3.8", "3.13"]
+        python-version: ["3.8", "3.12"]
 
     steps:
     - name: Checkout repository

README.rst

@@ -11,7 +11,7 @@
 |PyPi|_
 
 
-.. |PythonVersion| image:: https://img.shields.io/badge/python-3.8%20%7C%203.13-blue
+.. |PythonVersion| image:: https://img.shields.io/badge/python-3.8%20%7C%203.12-blue
 .. _PythonVersion: https://github.com/neurospincloud-ci/pycaravel
 
 .. |Pep8| image:: https://github.com/neurospincloud-ci/pycaravel/actions/workflows/pep8.yml/badge.svg