Replace cargo-cranky with workspace lints (#4413)

Replace `cargo-cranky` (which has served us well) with workspace lints

crates/egui_glow/src/shader_version.rs

@@ -1,4 +1,5 @@
 #![allow(unsafe_code)]
+#![allow(clippy::undocumented_unsafe_blocks)]
 
 use std::convert::TryInto;