[Security] Bump actionpack from 6.1.1 to 6.1.2.1
[Security] Bump actionpack from 6.1.1 to 6.1.2.1

Bumps [actionpack](https://github.com/rails/rails) from 6.1.1 to 6.1.2.1. **This update includes a security fix.**
- [Release notes](https://github.com/rails/rails/releases)
- [Changelog](https://github.com/rails/rails/blob/v6.1.2.1/actionpack/CHANGELOG.md)
- [Commits](https://github.com/rails/rails/compare/v6.1.1...v6.1.2.1)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
kaspernj/worker_plugins,kaspernj/worker_plugins,kaspernj/worker_plugins