Bump docker/build-push-action from 2 to 2.4.0
Bump docker/build-push-action from 2 to 2.4.0

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 2 to 2.4.0.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/v2...v2.4.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
sjinks/ssh-honeypotd,sjinks/ssh-honeypotd