Update stomp requirement from = 1.4.3 to = 1.4.7
Update stomp requirement from = 1.4.3 to = 1.4.7

Updates the requirements on [stomp](https://github.com/stompgem/stomp) to permit the latest version.
- [Release notes](https://github.com/stompgem/stomp/releases)
- [Changelog](https://github.com/stompgem/stomp/blob/dev/CHANGELOG.md)
- [Commits](https://github.com/stompgem/stomp/commits/v1.4.7)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
sensu-plugins/sensu-plugins-rabbitmq