Bump actions/download-artifact from 4.2.0 to 4.2.1 (#1195)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v4.2.0...v4.2.1)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/test.yml

@@ -47,7 +47,7 @@ jobs:
         with:
           fetch-depth: 2
       - name: Download all coverage data
-        uses: actions/download-artifact@v4.2.0
+        uses: actions/download-artifact@v4.2.1
       - name: Upload coverage report
         uses: codecov/codecov-action@v5.4.0
         with: