Update env_logger requirement from 0.8.1 to 0.9.0

Updates the requirements on [env_logger](https://github.com/env-logger-rs/env_logger) to permit the latest version.
- [Release notes](https://github.com/env-logger-rs/env_logger/releases)
- [Changelog](https://github.com/env-logger-rs/env_logger/blob/main/CHANGELOG.md)
- [Commits](https://github.com/env-logger-rs/env_logger/compare/v0.8.1...v0.9.0)

---
updated-dependencies:
- dependency-name: env_logger
  dependency-type: direct:production
...

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

Cargo.toml

@@ -58,7 +58,7 @@ version = "0.21"
 
 [dev-dependencies]
 criterion = "0.3.4"
-env_logger = "0.8.1"
+env_logger = "0.9.0"
 input_buffer = "0.5.0"
 net2 = "0.2.33"
 rand = "0.8.4"