Resolving "Multiple workspaces/sources configured" error in Sanity.io version 3.

Error: Multiple workspaces/sources configured. You must define an array of GraphQL APIs in sanity/sanity.cli.ts and specify which workspace/source to use.

export default defineCliConfig({
  api: {
    projectId: "xxxxxx",
  },
  graphql: [
    {
      id: "production",
      workspace: "production",
    },
    {
      id: "dev",
      workspace: "dev",
    },
  ],
});