Fixes
- Healthcheck: prevent race condition making Gluetun hang completely (#3123)
- Wireguard kernelspace detection fixed in some cases
- OpenVPN 2.5 is not needed as long as it's not to be used, resolving some kernel incompatibilities
- HTTP proxy: remove info log when no Proxy-Authorization header is present
- ProtonVPN:
- update OpenVPN settings (#3120)
- support port 51820 for UDP OpenVPN connections