Install nox after setuptools

This fixes GitHub Action workflows.

Fixes:	9f74d15 ("Use `nox` instead of `tox`")
Signed-off-by: Enji Cooper <[email protected]>

Author: ngie-eign

.github/workflows/main.yaml

@@ -34,6 +34,9 @@ jobs:
       run: |
         # workaround for 3.12, SEE: https://github.com/pypa/setuptools/issues/3661#issuecomment-1813845177
         pip install --upgrade setuptools
+    - name: Install nox
+      run: |
+        pip install nox==2025.05.01
     - name: Lint with flake8
       if: matrix.python-version == ${{ env.DEFAULT_PYTHON }}
       run: |