Announcement Date: 31 March, 2023

Improvements:
[ssl] LetsencryptZ: restore the farm when a certificate renewal is finished by a timeout
[system] added file descriptors info in supportsave

Bugfixes:
[proxy] fixed chunked transfer encoding
[proxy] fixed websocket protocol
[api] fixed create copy from farm action
[api] fixed farm status calculation in backend actions
[api] fixed modify persistence TTL in HTTP farms