worker.fetch failing on node18.x + GitHub actions

/home/runner/work/kysely/kysely/test/cloudflare-workers/node_modules/wrangler/wrangler-dist/cli.js:29573
            throw a;
            ^
TypeError: fetch failed
    at fetch (/home/runner/work/kysely/kysely/test/cloudflare-workers/node_modules/undici/index.js:112:15)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
    at async MessagePort.<anonymous> ([worker eval]:28:22) {
  [cause]: Error: connect ECONNREFUSED ::1:33163
      at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1555:16)
}