Fix nox

Author: rayokota

.github/workflows/test.yml

@@ -22,6 +22,6 @@ jobs:
       with:
         python-version: ${{ matrix.python }}
     - name: Install test dependencies
-      run: python -m pip install --upgrade nox
+      run: python -m pip install nox==2024.04.15
     - name: Test
       run: python -m nox -s tests-${{ matrix.python }}