ci: bump actions/download-artifact from 4.1.8 to 4.1.9

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 4.1.8 to 4.1.9.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@fa0a91b...cc20338)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/build-images-release.yaml

@@ -98,7 +98,7 @@ jobs:
           mkdir -p image-digest/
 
       - name: Download digests of all images built
-        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16
+        uses: actions/download-artifact@cc203385981b70ca67e1cc392babf9cc229d5806
         with:
           path: image-digest/