Upgrade actions/upload-artifact to v4

The workflow do not upload multiple artifacts under the same 'name', so
it can be easily upgraded to v4 without the need to handle breaking
changes.

Author: cmaglie

workflow-templates/check-go-dependencies-task.yml

@@ -111,7 +111,7 @@ jobs:
       # Some might find it convenient to have CI generate the cache rather than setting up for it locally
       - name: Upload cache to workflow artifact
         if: failure() && steps.diff.outcome == 'failure'
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           if-no-files-found: error
           name: dep-licenses-cache