This update for rubygem-json-jwt fixes the following issues:

- New upstream release 1.16.6, see bundled CHANGELOG.md

- Remove padding oracle by @btoews in https://github.com/nov/json-jwt/pull/109
- Fixes CVE-2023-51774 boo#1220727

- updated to version 1.11.0
  - no changelog found
  - Fixes CVE-2019-18848 boo#1156649