Bump actions/download-artifact from 4.1.5 to 4.1.6

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 4.1.5 to 4.1.6.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4.1.5...v4.1.6)

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

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

.github/workflows/release.yaml

@@ -21,7 +21,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Download artifacts
-        uses: actions/[email protected].5
+        uses: actions/[email protected].6
         id: artifacts
         with:
           name: ${{ matrix.bin_name }}