deps(deps): bump lru from 0.16.1 to 0.16.2

Bumps [lru](https://github.com/jeromefroe/lru-rs) from 0.16.1 to 0.16.2.
- [Changelog](https://github.com/jeromefroe/lru-rs/blob/master/CHANGELOG.md)
- [Commits](jeromefroe/lru-rs@0.16.1...0.16.2)

---
updated-dependencies:
- dependency-name: lru
  dependency-version: 0.16.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Cargo.lock

@@ -189,7 +189,7 @@ approx = "0.5"
 criterion = { version = "0.7.0", features = ["html_reports", "async_tokio"] }
 
 # LRU cache utility
-lru = "0.16.1"
+lru = "0.16.2"
 
 # Official MCP Rust SDK
 rmcp = { version = "0.7.0", features = ["server", "transport-io", "transport-streamable-http-server"] }