revert docs

Author: parthea

.github/workflows/docs.yml

@@ -15,7 +15,7 @@ jobs:
     - name: Setup Python
       uses: actions/setup-python@v5
       with:
-        python-version: "3.14"
+        python-version: "3.12"
     - name: Install nox
       run: |
         python -m pip install --upgrade setuptools pip wheel

noxfile.py

@@ -420,7 +420,7 @@ def system_noextras(session: nox.sessions.Session):
     )
 
 
-@nox.session(python="3.14")
+@nox.session(python="3.12")
 def doctest(session: nox.sessions.Session):
     """Run the system test suite."""
     run_system(
@@ -510,7 +510,7 @@ def cover(session):
     session.run("coverage", "erase")
 
 
-@nox.session(python="3.14")
+@nox.session(python="3.12")
 def docs(session):
     """Build the docs for this library."""
     session.install("-e", ".[scikit-learn]")