refactor(WebSocket): utilize URLSearchParams (#3185)
refactor(WebSocket): utilize URLSearchParams (#3185)

* replace querystring with URLSearchParams

* looks a bit nicer using urlSearchParams.set(...)

hydrabolt/discord.js,appellation/discord.js,appellation/discord.js,hydrabolt/discord.js,appellation/discord.js,hydrabolt/discord.js,SpaceEEC/discord.js,SpaceEEC/discord.js,SpaceEEC/discord.js