feat: Make sure that storm caching settings are resonable

[seebees]

It was possible to configure a hierarchical keyring with storm tracking settings that resulted in poor caching performance.

If the grace period is greater than the TTL, this results in items being immediately retried.

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

Check any applicable:

• [ ] Were any files moved? Moving files changes their URL, which breaks all hyperlinks to the files.