build(deps): bump actions/download-artifact

Bumps the minor-and-patch group with 1 update: [actions/download-artifact](https://github.com/actions/download-artifact).


Updates `actions/download-artifact` from 8.0.1 to 8.0.2
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](https://github.com/actions/download-artifact/compare/v8.0.1...v8.0.2)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: 8.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: minor-and-patch
...

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

.github/workflows/nightly-artifacts.yml

@@ -594,7 +594,7 @@ jobs:
           echo "FLATPAK_GPG_KEY_ID=$(gpg --list-secret-keys --with-colons | awk -F: '/^fpr/{print $10; exit}')" >> "$GITHUB_ENV"
 
       - name: Download OSTree repo artifact
-        uses: actions/download-artifact@v8.0.1
+        uses: actions/download-artifact@v8.0.2
         with:
           name: flatpak-ostree-repo
           path: flatpak-ostree-repo/