update workflow to use additional-tests output

Author: leighmcculloch

.github/workflows/newbuild.yml

@@ -263,7 +263,7 @@ jobs:
         horizon: [true, false]
         rpc: [true, false]
         options: [""]
-        include: ${{ fromJSON(needs.setup.outputs.tests) }}
+        include: ${{ fromJSON(needs.setup.outputs.additional-tests) }}
       fail-fast: false
     name: >
       test