chore(deps): update actions/download-artifact action to v4.2.1 (#1230)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[actions/download-artifact](https://redirect.github.com/actions/download-artifact)
| action | patch | `v4.2.0` -> `v4.2.1` |

---

### Release Notes

<details>
<summary>actions/download-artifact (actions/download-artifact)</summary>

###
[`v4.2.1`](https://redirect.github.com/actions/download-artifact/compare/v4.2.0...v4.2.1)

[Compare
Source](https://redirect.github.com/actions/download-artifact/compare/v4.2.0...v4.2.1)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

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.github/workflows/checks.yml

@@ -117,7 +117,7 @@ jobs:
         with:
           python-version: "3.12"
       - name: Download coverage reports
-        uses: actions/download-artifact@v4.2.0
+        uses: actions/download-artifact@v4.2.1
         with:
           merge-multiple: true