chore(deps): update lru requirement from 0.11.1 to 0.12.0

Updates the requirements on [lru](https://github.com/jeromefroe/lru-rs) to permit the latest version.
- [Changelog](https://github.com/jeromefroe/lru-rs/blob/master/CHANGELOG.md)
- [Commits](jeromefroe/lru-rs@0.11.1...0.12.0)

---
updated-dependencies:
- dependency-name: lru
  dependency-type: direct:production
...

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

rpxy-lib/Cargo.toml

@@ -76,7 +76,7 @@ s2n-quic-rustls = { path = "../submodules/s2n-quic/quic/s2n-quic-rustls/", optio
 
 # cache
 http-cache-semantics = { path = "../submodules/rusty-http-cache-semantics/", optional = true }
-lru = { version = "0.11.1", optional = true }
+lru = { version = "0.12.0", optional = true }
 
 # cookie handling for sticky cookie
 chrono = { version = "0.4.31", default-features = false, features = [