Update actions/download-artifact action to v4

| datasource  | package                   | from | to |
| ----------- | ------------------------- | ---- | -- |
| github-tags | actions/download-artifact | v3   | v4 |


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

Author: renovate[bot]

.github/workflows/continuous-integration.yml

@@ -72,7 +72,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Download container artifact
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: container
           path: /tmp