Fix SourceBans++ URL (#3918)

README.md

@@ -1061,7 +1061,7 @@ Utilities for managing game servers.
 - [Pterodactyl](https://pterodactyl.io/) - Management panel for game servers, with an intuitive UI for end users. ([Source Code](https://github.com/pterodactyl/panel)) `MIT` `PHP`
 - [PufferPanel](https://www.pufferpanel.com/) - PufferPanel is an open source game server management panel, designed for both small networks and game server providers. ([Source Code](https://github.com/pufferpanel/pufferpanel)) `Apache-2.0` `Go`
 - [RconCli](https://github.com/gorcon/rcon-cli) - CLI for executing queries on a remote Valve Source dedicated server using the RCON Protocol. `MIT` `Go`
-- [SourceBans++](https://sbpp.dev/) - Admin, ban, and communication management system for games running on the Source engine. ([Source Code](https://github.com/sbpp/sourcebans-pp)) `CC-BY-SA-4.0` `PHP`
+- [SourceBans++](https://sbpp.github.io/) - Admin, ban, and communication management system for games running on the Source engine. ([Source Code](https://github.com/sbpp/sourcebans-pp)) `CC-BY-SA-4.0` `PHP`
 
 
 ### Genealogy