chore(deps): update actions/download-artifact action to v4 (#1497)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/test.yml

@@ -69,7 +69,7 @@ jobs:
           fetch-depth: 2
 
       - name: Download coverage files
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           path: reports