chore: address clippy lints

Author: robjtede

actix-router/src/quoter.rs

@@ -105,7 +105,7 @@ fn hex_pair_to_char(d1: u8, d2: u8) -> Option<u8> {
     let d_low = char::from(d2).to_digit(16)?;
 
     // left shift high nibble by 4 bits
-    Some((d_high as u8) << 4 | (d_low as u8))
+    Some(((d_high as u8) << 4) | (d_low as u8))
 }
 
 #[derive(Debug, Default, Clone)]

actix-router/src/resource.rs

@@ -1021,6 +1021,7 @@ impl ResourceDef {
             panic!("prefix resource definitions should not have tail segments");
         }
 
+        #[allow(clippy::literal_string_with_formatting_args)]
         if unprocessed.ends_with('*') {
             // unnamed tail segment
 
@@ -1369,6 +1370,7 @@ mod tests {
         assert_eq!(path.unprocessed(), "");
     }
 
+    #[expect(clippy::literal_string_with_formatting_args)]
     #[test]
     fn newline_patterns_and_paths() {
         let re = ResourceDef::new("/user/a\nb");

actix-router/src/router.rs

@@ -145,6 +145,7 @@ mod tests {
     };
 
     #[allow(clippy::cognitive_complexity)]
+    #[expect(clippy::literal_string_with_formatting_args)]
     #[test]
     fn test_recognizer_1() {
         let mut router = Router::<usize>::build();