🐛 Bug: Crashes in setup mode for non-existing ruleset_id fetch

[JoshuaKGoldberg]

Bug Report Checklist

• I have tried restarting my IDE and the issue persists.
• I have pulled the latest main branch of the repository.
• I have searched for related issues and found none that matched my issue.

Expected

npx create-typescript-app@beta --mode setup should pass.

Actual

Following #1951:

file:///Users/josh/.npm/_npx/15a5bbafc464ba2a/node_modules/@octokit/request/dist-bundle/index.js:122
    throw new RequestError(toErrorMessage(octokitResponse.data), status, {
          ^

RequestError [HttpError]: Not Found - https://docs.github.com/rest/repos/rules#get-all-repository-rulesets
    at fetchWrapper (file:///Users/josh/.npm/_npx/15a5bbafc464ba2a/node_modules/@octokit/request/dist-bundle/index.js:122:11)

Additional Info

🎁