Update ruzstd requirement from 0.7 to 0.8 in the cargo group

Updates the requirements on [ruzstd](https://github.com/KillingSpark/zstd-rs) to permit the latest version.

Updates `ruzstd` to 0.8.0
- [Release notes](https://github.com/KillingSpark/zstd-rs/releases)
- [Changelog](https://github.com/KillingSpark/zstd-rs/blob/master/Changelog.md)
- [Commits](KillingSpark/zstd-rs@v0.7.0...v0.8.0)

---
updated-dependencies:
- dependency-name: ruzstd
  dependency-type: direct:production
  dependency-group: cargo
...

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

Cargo.toml

@@ -34,7 +34,7 @@ lexopt = "0.3"
 opener = { version = "0.7", default-features = false }
 regex = { version = "1.3", default-features = false, features = ["perf", "std"] }
 rustc-demangle = { version = "0.1.23", features = ["std"] }
-ruzstd = { version = "0.7", default-features = false, features = ["std"] }
+ruzstd = { version = "0.8", default-features = false, features = ["std"] }
 serde = "1.0.103"
 serde_derive = "1.0.103"
 serde_json = "1"