style: Apply cargo fmt to rate_limiter tests

Auto-formatted assert! macros per rustfmt rules.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: doublegate

crates/prtip-scanner/src/rate_limiter.rs

@@ -283,7 +283,11 @@ mod tests {
         // 1000 packets at 10,000 pps = ~100ms
         // Allow more tolerance in CI environments (CI runners can be slower)
         assert!(elapsed >= Duration::from_millis(80));
-        assert!(elapsed <= Duration::from_millis(500), "Elapsed: {:?}", elapsed);
+        assert!(
+            elapsed <= Duration::from_millis(500),
+            "Elapsed: {:?}",
+            elapsed
+        );
     }
 
     #[test]
@@ -332,7 +336,11 @@ mod tests {
         // 100 total acquisitions at 100 pps = ~1 second
         // Allow more tolerance in CI environments (CI runners can be slower)
         assert!(elapsed >= Duration::from_millis(900));
-        assert!(elapsed <= Duration::from_millis(2000), "Elapsed: {:?}", elapsed);
+        assert!(
+            elapsed <= Duration::from_millis(2000),
+            "Elapsed: {:?}",
+            elapsed
+        );
     }
 
     #[test]