chore(deps): update lru requirement from 0.11.1 to 0.12.0 (#581)

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

Cargo.toml

@@ -38,7 +38,7 @@ time = { version = "0.3.11", optional = true, features = ["local-offset"] }
 unicode-segmentation = "1.10"
 unicode-width = "0.1"
 document-features = { version = "0.2.7", optional = true }
-lru = "0.11.1"
+lru = "0.12.0"
 
 [dev-dependencies]
 anyhow = "1.0.71"