Fix deprecated actions/upload-artifact and download-artifact to v4

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Co-Authored-By: Claude <noreply@anthropic.com>

Author: yasseraleman

.github/workflows/workflows.yml

@@ -30,7 +30,7 @@ jobs:
       run: python -m build
 
     - name: Upload distribution packages
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: python-distributions
         path: dist/
@@ -42,7 +42,7 @@ jobs:
     if: github.ref == 'refs/heads/main'  # Only publish to TestPyPI from main branch
     steps:
     - name: Download distribution packages
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: python-distributions
         path: dist/
@@ -61,7 +61,7 @@ jobs:
     if: startsWith(github.ref, 'refs/tags/v')  # Only publish on version tag
     steps:
     - name: Download distribution packages
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: python-distributions
         path: dist/