Libretime Release v4.0.0

Submitted ⁨⁨5⁩ ⁨months⁩ ago⁩ by ⁨poVoq@slrpnk.net⁩ to ⁨selfhosting@slrpnk.net⁩

https://github.com/libretime/libretime/releases/tag/4.0.0