message: Update png and bump version
diff: [package]
  name = "image"
  -version = "0.20.1"
  +version = "0.21.0"
  license = "MIT"
  description = "Imaging library written in Rust. Provides basic filters and decoders for the most common image formats."
  authors = [
  @@ -43,7 +43,7 @@ default-features = false
  optional = true
  [dependencies.png]
  -version = "0.12"
  +version = "0.14"
  optional = true
  [dependencies.scoped_threadpool]
  