Add missing specification in CLI

Author: PineappleIOnic

templates/cli/lib/commands/push.js.twig

@@ -1095,6 +1095,7 @@ const pushFunction = async ({ functionId, async, code, withVariables } = { retur
             response = await functionsUpdate({
                 functionId: func['$id'],
                 name: func.name,
+                specification: func.specification,
                 execute: func.execute,
                 events: func.events,
                 schedule: func.schedule,