build(deps): bump lru from 0.12.5 to 0.16.3 (#475)

This update includes:
- Fix for Stacked Borrows violation in IterMut
- Upgrade hashbrown dependency to 0.16.0
- Fix Clone for unbounded cache
- Implement Clone for caches with custom hashers
- Return bool from promote/demote methods

Migrated from upstream PR #435: #435

Co-authored-by: Droid Agent <droid@factory.ai>

Author: echobt

Cargo.lock

@@ -70,7 +70,7 @@ notify = { version = "6", default-features = false, features = ["macos_kqueue"]
 base64 = "0.22"
 trash = "5"
 rayon = "1.10"
-lru = "0.12"
+lru = "0.16"
 dashmap = "6"
 
 # URL encoding