migratedConfig[key] is not iterable

[rarkins]

How are you running Renovate?

WhiteSource Renovate hosted app on github.com

Please select which platform you are using if self-hosting.

No response

If you're self-hosting Renovate, tell us what version of Renovate you run.

No response

Describe the bug

requiredStatusChecks migration is failing in some cases

Relevant debug logs

Logs

err.stack | TypeError: migratedConfig[key] is not iterableat Object.migrateConfig (/home/ubuntu/renovateapp/node_modules/renovate/dist/config/migration.js:497:50)at migrateAndValidate (/home/ubuntu/renovateapp/node_modules/renovate/dist/config/migrate-validate.js:34:64)at mergeRenovateConfig (/home/ubuntu/renovateapp/node_modules/renovate/dist/workers/repository/init/merge.js:182:76)at runMicrotasks (<anonymous>)at processTicksAndRejections (internal/process/task_queues.js:95:5)at async getRepoConfig (/home/ubuntu/renovateapp/node_modules/renovate/dist/workers/repository/init/config.js:12:14)at async initRepo (/home/ubuntu/renovateapp/node_modules/renovate/dist/workers/repository/init/index.js:26:14)at async Object.renovateRepository (/home/ubuntu/renovateapp/node_modules/renovate/dist/workers/repository/index.js:64:18)at async renovateRepository (/home/ubuntu/renovateapp/app/worker/index.js:400:26)at async /home/ubuntu/renovateapp/app/worker/index.js:644:5

Have you created a minimal reproduction repository?

No reproduction repository

[rarkins]

Caused by #11355 Cc @pret-a-porter @viceice

[rarkins]

Triggered by https://github.com/renovate-tests/puppeteer-headful/blob/084992e0e1bfaa5d93b912c29ea9416ed3653021/renovate.json#L8 (example)

[renovate-release]

🎉 This issue has been resolved in version 27.6.1 🎉

The release is available on:

• GitHub release
• 27.6.1

Your semantic-release bot 📦🚀