Update pip-install.yml

Author: RoryBarnes

.github/workflows/pip-install.yml

@@ -36,7 +36,7 @@ jobs:
           CIBW_MANYLINUX_X86_64_IMAGE: manylinux2014
         shell: bash
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v3
         with:
           path: ./wheelhouse/*.whl
 
@@ -52,7 +52,7 @@ jobs:
       - uses: actions/setup-python@v5
         name: Install Python
         with:
-          python-version: ${{ matrix.python }}
+          python-version: 3.9
 
       - name: Build sdist
         run: python setup.py sdist