[net] ban api.epicgames.dev domain (#3999)

Adding 'api.epicgames.dev' to the banlist, as instructed by lizzie.

MCI insists on connection and randomly crashes at Network::Poll(...).
Airplane mode would do, but then the DLC gets unavailable.

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3999
Reviewed-by: Maufeat <sahyno1996@gmail.com>
Reviewed-by: Lizzie <lizzie@eden-emu.dev>

src/core/hle/service/sockets/sfdnsres.cpp

@@ -91,6 +91,7 @@ static const constexpr std::array blockedDomains = {
     "microsoft.com", //minecraft dungeons + other games
     "mojang.com",
     "xboxlive.com",
+    "api.epicgames.dev", // marvel cosmic invasion +?
     "minecraftservices.com"
 };