Appveyor: Try replace electron version by env
Appveyor: Try replace electron version by env

ZedTheYeti/Rocket.Chat.Electron,RocketChat/Rocket.Chat.Electron,ZedTheYeti/Rocket.Chat.Electron,RocketChat/Rocket.Chat.Electron,ZedTheYeti/Rocket.Chat.Electron,RocketChat/Rocket.Chat.Electron