Ban Reason does not get URL-Encoded

[garantiertnicht]

Using the latest 0.13.0, the route for bans does not get properly encoded.

Steps to reproduce

• Send a CreateGuildBan request with a space in the reason (someMember.ban(Some(1), Some("Best Reason Evar")))

Expected Results

The REST-Call succeeds (provided permissions etc.)

Actual Results

akka.http.scaladsl.model.IllegalUriException: Illegal URI reference: Invalid input ' ', expected raw-query-char, '#' or 'EOI' (line 1, column 114): https://discordapp.com/api/v6/guilds/<guildid>/bans/<userid>?delete-message-days=1&reason=Best Reason Evar
                                                                                                                 ^
    at akka.http.scaladsl.model.IllegalUriException$.apply(ErrorInfo.scala:74)
    at akka.http.scaladsl.model.Uri$.fail(Uri.scala:823)
    at akka.http.impl.model.parser.UriParser.fail(UriParser.scala:81)
    at akka.http.impl.model.parser.UriParser.parseUriReference(UriParser.scala:46)
    at akka.http.scaladsl.model.Uri$.apply(Uri.scala:217)
    at akka.http.scaladsl.model.Uri$.apply(Uri.scala:189)
    at ackcord.requests.Routes$QueryRoute.$anonfun$$plus$qmark$2(Routes.scala:117)
    at scala.Function$.$anonfun$uncurried$1(Function.scala:50)
    at scala.Function2.$anonfun$tupled$1(Function2.scala:53)
    at ackcord.requests.Routes$QueryRouteFunction.$anonfun$toRequest$2(Routes.scala:170)
    at shapeless.ops.FnFromProductInstances$$anon$5.$anonfun$apply$5(fnfromproduct.scala:89)
    at ackcord.requests.CreateGuildBan.route(guildRequests.scala:504)
    at ackcord.requests.RequestStreams$.$anonfun$ratelimitFlow$1(RequestStreams.scala:158)
    at akka.stream.impl.fusing.MapAsyncUnordered$$anon$31.onPush(Ops.scala:1375)
    …```

[Katrix]

Fixed in the latest release