Cargo.toml: Replace GTK+ with GTK
documentation = "http://gtk-rs.org/docs/gtk4/"
categories = ["api-bindings", "gui"]
license = "MIT"
-description = "Rust bindings for the GTK+ 4 library"
+description = "Rust bindings for the GTK 4 library"
name = "gtk4"
homepage = "http://gtk-rs.org/"
authors = ["The Gtk-rs Project Developers"]
