Rename built artifact name for compatibility with Netlify PR preview (#3108)

Fixes https://github.com/element-hq/element-call/issues/3107 by updating the artifact name to be the same as on the `livekit` branch

.github/workflows/publish.yaml

@@ -38,7 +38,7 @@ jobs:
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           run-id: ${{ github.event.workflow_run.id || github.run_id }}
-          name: build-output
+          name: build-output-full
           path: dist
       - name: Create Tarball
         env: