Update actions/download-artifact action to v4.2.1

Author: renovate[bot]

.github/workflows/main.yaml

@@ -58,7 +58,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: ./.github/actions/setup
-      - uses: actions/download-artifact@cc203385981b70ca67e1cc392babf9cc229d5806 # v4.1.9
+      - uses: actions/download-artifact@95815c38cf2ff2164869cbab79da8d1f422bc89e # v4.2.1
         with:
           name: coverage-reports
       - run: yarn code-coverage