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/ci.yml

@@ -36,7 +36,7 @@ jobs:
     needs: [build, validate]
     if: success() && startsWith( github.ref, 'refs/tags/')
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v8
       - uses: oven-sh/setup-bun@v2
       - run: bunx vsce publish --packagePath $(find . -iname *.vsix)
         env: