Bump lru from 0.6.6 to 0.7.0 (#10194)

Bumps [lru](https://github.com/jeromefroe/lru-rs) from 0.6.6 to 0.7.0.
- [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/0.6.6...0.7.0)

---
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>

substrate/client/network/Cargo.toml

@@ -36,7 +36,7 @@ hex = "0.4.0"
 ip_network = "0.4.0"
 linked-hash-map = "0.5.4"
 linked_hash_set = "0.1.3"
-lru = "0.6.6"
+lru = "0.7.0"
 log = "0.4.8"
 parking_lot = "0.11.1"
 pin-project = "1.0.8"