Replace #[allow attributes with expect (#7796)

We do have `clippy::allow_attributes` turned on, but it doesn't seem to
work properly

crates/egui_glow/src/lib.rs

@@ -8,9 +8,7 @@
 #![cfg_attr(feature = "document-features", doc = document_features::document_features!())]
 //!
 
-#![allow(clippy::float_cmp)]
-#![allow(clippy::manual_range_contains)]
-#![allow(clippy::undocumented_unsafe_blocks)]
+#![expect(clippy::undocumented_unsafe_blocks)]
 
 pub mod painter;
 pub use glow;

crates/egui_glow/src/misc_util.rs

@@ -1,4 +1,4 @@
-#![allow(unsafe_code)]
+#![expect(unsafe_code)]
 
 use glow::HasContext as _;
 

crates/egui_glow/src/painter.rs

@@ -1,6 +1,5 @@
-#![allow(clippy::collapsible_else_if)]
-#![allow(clippy::unwrap_used)]
-#![allow(unsafe_code)]
+#![expect(clippy::unwrap_used)]
+#![expect(unsafe_code)]
 
 use std::{collections::HashMap, sync::Arc};