Bump lru from 0.8.1 to 0.9.0 (#6538)

Bumps [lru](https://github.com/jeromefroe/lru-rs) from 0.8.1 to 0.9.0.
- [Release notes](https://github.com/jeromefroe/lru-rs/releases)
- [Changelog](https://github.com/jeromefroe/lru-rs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jeromefroe/lru-rs/compare/0.8.1...0.9.0)

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

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polkadot/node/overseer/Cargo.toml

@@ -17,7 +17,7 @@ polkadot-node-metrics = { path = "../metrics" }
 polkadot-primitives = { path = "../../primitives" }
 orchestra = "0.0.4"
 gum = { package = "tracing-gum", path = "../gum" }
-lru = "0.8"
+lru = "0.9"
 sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
 async-trait = "0.1.57"
 tikv-jemalloc-ctl = "0.5.0"