Bump bunny from 2.14.1 to 2.14.3
Bump bunny from 2.14.1 to 2.14.3

Bumps [bunny](https://github.com/ruby-amqp/bunny) from 2.14.1 to 2.14.3.
- [Release notes](https://github.com/ruby-amqp/bunny/releases)
- [Changelog](https://github.com/ruby-amqp/bunny/blob/2.14.3/ChangeLog.md)
- [Commits](https://github.com/ruby-amqp/bunny/compare/2.14.1...2.14.3)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
alphagov/publishing-api,alphagov/publishing-api