Update env_logger requirement from 0.10 to 0.11 (#21)

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](rust-cli/env_logger@v0.10.0...v0.11.5)

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

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

Author: dependabot[bot]

cggtts-cli/Cargo.toml

@@ -14,7 +14,7 @@ readme = "../README.md"
 log = "0.4"
 walkdir = "2.4.0"
 itertools = "0.11.0"
-env_logger = "0.10"
+env_logger = "0.11"
 clap = { version = "4.4.6", features = ["derive", "color"] }
 serde = { version = "1.0", default-features = false, features = ["derive"] }
 cggtts = { path = "../cggtts", version = "=4.1.6" }