build(deps): bump actions/download-artifact from 4 to 8

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 4 to 8.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4...v8)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/release.yml

@@ -110,7 +110,7 @@ jobs:
       # 仅作存在性判定的布尔标志，避免将密钥本身提到 job 级 env
       HAS_ALIYUN_AK: ${{ secrets.ALIYUN_ACCESS_KEY_ID != '' }}
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v8
         with:
           pattern: release-*
       - uses: softprops/action-gh-release@v2