Bump failsafe from 2.3.3 to 2.3.4
Bump failsafe from 2.3.3 to 2.3.4

Bumps [failsafe](https://github.com/jhalterman/failsafe) from 2.3.3 to 2.3.4.
- [Release notes](https://github.com/jhalterman/failsafe/releases)
- [Changelog](https://github.com/jhalterman/failsafe/blob/master/CHANGES.md)
- [Commits](https://github.com/jhalterman/failsafe/compare/failsafe-2.3.3...failsafe-2.3.4)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
zalando/problem-spring-web,zalando/problem-spring-web