Bump pusher-java-client from 2.2.3 to 2.2.4
Bump pusher-java-client from 2.2.3 to 2.2.4

Bumps [pusher-java-client](https://github.com/pusher/pusher-websocket-java) from 2.2.3 to 2.2.4.
- [Release notes](https://github.com/pusher/pusher-websocket-java/releases)
- [Changelog](https://github.com/pusher/pusher-websocket-java/blob/master/CHANGELOG.md)
- [Commits](https://github.com/pusher/pusher-websocket-java/compare/v2.2.3...v2.2.4)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
douggie/XChange