Update GitHub Actions workflow to use latest action versions

- Upgraded `actions/setup-python` from v5 to v6 for improved Python setup.
- Updated `actions/upload-artifact` from v5 to v7 to enhance artifact handling.
- Changed `actions/download-artifact` from v5 to v8 for better download capabilities.

Author: alex-omophub

.github/workflows/publish.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v6
         with:
           fetch-depth: 0  # Required for hatch-vcs to get version from tags
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: "3.12"
       - name: Install build tools
@@ -24,7 +24,7 @@ jobs:
       - name: Build package
         run: python -m build
       - name: Upload distributions
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v7
         with:
           name: release-dists
           path: dist/
@@ -39,7 +39,7 @@ jobs:
       id-token: write  # Required for trusted publishing
     steps:
       - name: Download distributions
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v8
         with:
           name: release-dists
           path: dist/