chore: derive Default for Queue enum

Apply clippy suggestion to use derive macro instead of manual implementation.

Author: rrogers-machinify

src/lib.rs

@@ -85,11 +85,12 @@ pub use retries::*;
 pub use worker::*;
 
 /// Named queues for organizing different types of work.
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+#[derive(Debug, Clone, PartialEq, Eq, Hash, Default)]
 pub enum Queue {
     /// Fast queue for high-priority, low-latency jobs
     Fast,
     /// Bulk queue for background processing
+    #[default]
     Bulk,
     /// Dead letter queue for failed jobs
     DeadLetter,
@@ -108,12 +109,6 @@ impl Queue {
     }
 }
 
-impl Default for Queue {
-    fn default() -> Self {
-        Self::Bulk
-    }
-}
-
 /// Configuration for job scheduling and execution.
 #[derive(Debug, Clone)]
 pub struct JobSpec {