Update GitHub Actions workflow to use latest actions

Author: ef1500

.github/workflows/publish.yml

@@ -3,7 +3,6 @@ name: Build and Publish to PyPI
 on:
   release:
     types: [published]
-  # Optional: Allow manually running this workflow from the "Actions" tab for testing
   workflow_dispatch:
 
 jobs:
@@ -12,23 +11,19 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        # Mac, Windows, and Linux
         os: [ubuntu-latest, windows-latest, macos-latest]
 
     steps:
       - uses: actions/checkout@v4
 
-      # Used to build the wheels
       - name: Build wheels
         uses: pypa/cibuildwheel@v2.16.5
         env:
-          CIBW_SKIP: "cp36-* cp37-*"
-
-          # Ensure we build for both x86_64 and arm64 on Mac (Apple Silicon support)
           CIBW_ARCHS_MACOS: x86_64 arm64
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
+          name: cibw-wheels-${{ matrix.os }}
           path: ./wheelhouse/*.whl
 
   build_sdist:
@@ -40,24 +35,25 @@ jobs:
       - name: Build sdist
         run: pipx run build --sdist
 
-      - uses: actions/upload-artifact@v3
+      # UPDATED to v4
+      - uses: actions/upload-artifact@v4
         with:
+          name: cibw-sdist
           path: dist/*.tar.gz
 
   upload_pypi:
     needs: [build_wheels, build_sdist]
     runs-on: ubuntu-latest
-    
-    # Only upload to PyPI if this is a Release (not a manual test run)
     if: github.event_name == 'release' && github.event.action == 'published'
 
     steps:
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
-          name: artifact
+          pattern: cibw-*
           path: dist
+          merge-multiple: true
 
-      - uses: pypa/gh-action-pypi-publish@v1.8.10
+      - uses: pypa/gh-action-pypi-publish@v1.8.14
         with:
           user: __token__
           password: ${{ secrets.PYPI_API_TOKEN }}