Clarify upload/download actions and bump versions

Not using latest setup-python@v4 as it wants explicit version,
making scripts too verbose, so sticking to `setup-python@v3`
that allows to use default Python

Co-authored-by: Matthieu Darbois <mayeut@users.noreply.github.com>

README.md

@@ -86,7 +86,7 @@ jobs:
       - uses: actions/checkout@v2
 
       # Used to host cibuildwheel
-      - uses: actions/setup-python@v2
+      - uses: actions/setup-python@v3
 
       - name: Install cibuildwheel
         run: python -m pip install cibuildwheel==2.7.0

docs/setup.md

@@ -215,7 +215,7 @@ To build Linux, Mac, and Windows wheels using GitHub Actions, create a `.github/
           - uses: actions/checkout@v3
 
           # Used to host cibuildwheel
-          - uses: actions/setup-python@v4
+          - uses: actions/setup-python@v3
 
           - name: Install cibuildwheel
             run: python -m pip install cibuildwheel==2.7.0

examples/github-deploy.yml

@@ -19,26 +19,28 @@ jobs:
         os: [ubuntu-20.04, windows-2019, macos-10.15]
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Build wheels
         uses: pypa/cibuildwheel@v2.7.0
 
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v3
         with:
+          name: wheels
           path: ./wheelhouse/*.whl
 
   build_sdist:
     name: Build source distribution
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Build sdist
         run: pipx run build --sdist
 
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v3
         with:
+          name: wheels
           path: dist/*.tar.gz
 
   upload_pypi:
@@ -49,9 +51,10 @@ jobs:
     # alternatively, to publish when a GitHub Release is created, use the following rule:
     # if: github.event_name == 'release' && github.event.action == 'published'
     steps:
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v3
         with:
-          name: artifact
+          name: wheels
+          # unpack all artifacts into dist/
           path: dist
 
       - uses: pypa/gh-action-pypi-publish@v1.4.2