4.0.1: [Change] Re-add null support for `sendRichPresence` calls

- This turns out to be valid API usage, and due to recent discord breakage, is now required when closing the IPC

v4.0.0

[Change] Updated Dependencies

- Updated SLF4J to 2.0.10 (Was 2.0.7)
- Updated JUnixSocket to 2.8.3 (Was 2.7.0)
- Updated Lenni Reflect to 1.3.2 (Was 1.2.4)
- Updated Maven Javadoc Plugin to 3.6.3 (Was 3.5.0)