chore(deps): update dawidd6/action-download-artifact action to v6

Author: renovate[bot]

.github/workflows/nextjs_bundle_analysis.yaml

@@ -57,7 +57,7 @@ jobs:
         path: .next/analyze/__bundle_analysis.json
 
     - name: Download base branch bundle stats
-      uses: dawidd6/action-download-artifact@v3
+      uses: dawidd6/action-download-artifact@v6
       if: success() && github.event.number
       with:
         workflow: nextjs_bundle_analysis.yml