Update env_logger requirement from 0.9.0 to 0.10.0

Updates the requirements on [env_logger](https://github.com/rust-cli/env_logger) to permit the latest version.
- [Release notes](https://github.com/rust-cli/env_logger/releases)
- [Changelog](https://github.com/rust-cli/env_logger/blob/main/CHANGELOG.md)
- [Commits](https://github.com/rust-cli/env_logger/compare/v0.9.0...v0.10.0)

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

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

Cargo.toml

@@ -24,7 +24,7 @@ semver = "1.0.7"
 mdbook = "0.4.18"
 serde_json = "1.0.79"
 anyhow = "1.0.57"
-env_logger = "0.9.0"
+env_logger = "0.10.0"
 log = "0.4.16"
 lazy_static = "1.4.0"
 fancy-regex = "0.10.0"