message: Update iced version to 0.5
diff: @@ -215,7 +215,7 @@ cargo run --features iced/glow --package game_of_life
  and then use it in your project with
  ```toml
  -iced = { version = "0.4", default-features = false, features = ["glow"] }
  +iced = { version = "0.5", default-features = false, features = ["glow"] }
  ```
  __NOTE:__ Chances are you have hardware that supports at least OpenGL 2.1 or OpenGL ES 2.0,
  