Bump actions/download-artifact from 7 to 8 (#637)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/release.yml

@@ -73,7 +73,7 @@ jobs:
           echo "$PWD/.venv/bin" >> $GITHUB_PATH
 
       - name: Download sdist from artifacts
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v8
         with:
           name: pyogrio-sdist
           path: wheelhouse
@@ -306,7 +306,7 @@ jobs:
           "$PWD/.venv/Scripts" | Out-File -FilePath $env:GITHUB_PATH -Append
 
       - name: Download wheels from artifacts
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v8
         with:
           name: ${{ matrix.artifact }}
           path: wheelhouse
@@ -348,7 +348,7 @@ jobs:
     if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags/')
 
     steps:
-      - uses: actions/download-artifact@v7
+      - uses: actions/download-artifact@v8
         with:
           pattern: pyogrio-*
           path: dist