chore: update GitHub Actions to use latest versions of checkout, setup-python, upload-artifact, and download-artifact

Author: ChenHsieh

.github/workflows/workflow.yml

@@ -15,10 +15,10 @@ jobs:
 
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Python
-        uses: actions/setup-python@v5
+        uses: actions/setup-python@v6
         with:
           python-version: "3.13"
 
@@ -30,7 +30,7 @@ jobs:
           python -m twine check dist/*
 
       - name: Upload distribution artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: python-package-distributions
           path: dist/
@@ -47,7 +47,7 @@ jobs:
 
     steps:
       - name: Download distribution artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v6
         with:
           name: python-package-distributions
           path: dist/