docs: update examples for v4 of upload-artifact and download-artifact actions (#1705)

* docs: update examples for v4 of `upload-artifact` and `download-artifact` actions

* docs: use more unique artifact name

* docs: update github example workflows to artifact actions v4

examples/github-deploy.yml

@@ -24,8 +24,9 @@ jobs:
       - name: Build wheels
         uses: pypa/cibuildwheel@v2.16.2
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
+          name: cibw-wheels-${{ matrix.os }}-${{ strategy.job-index }}
           path: ./wheelhouse/*.whl
 
   build_sdist:
@@ -37,8 +38,9 @@ jobs:
       - name: Build sdist
         run: pipx run build --sdist
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
+          name: cibw-sdist
           path: dist/*.tar.gz
 
   upload_pypi:
@@ -51,12 +53,12 @@ jobs:
     # or, alternatively, upload to PyPI on every tag starting with 'v' (remove on: release above to use this)
     # if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
     steps:
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
-          # unpacks default artifact into dist/
-          # if `name: artifact` is omitted, the action will create extra parent dir
-          name: artifact
+          # unpacks all CIBW artifacts into dist/
+          pattern: cibw-*
           path: dist
+          merge-multiple: true
 
       - uses: pypa/gh-action-pypi-publish@release/v1
         with: