Update deployment.yml

Author: zgosalvez

.github/workflows/deployment.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: The release should not have any existing assets
-      run: echo "${{ fromJson(github.event.release.assets) }}"
+      run: echo "${{ toJson(github.event.release.assets) }}"
 
   testing:
     name: Run ${{ matrix.category }} testing