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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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

polkadot/node/service/Cargo.toml

@@ -77,7 +77,7 @@ kvdb-rocksdb = { version = "0.17.0", optional = true }
 parity-db = { version = "0.4.2", optional = true }
 
 async-trait = "0.1.57"
-lru = "0.8"
+lru = "0.9"
 log = "0.4.17"
 
 # Polkadot