Bump env_logger from 0.9.0 to 0.9.3

Bumps [env_logger](https://github.com/env-logger-rs/env_logger) from 0.9.0 to 0.9.3.
- [Release notes](https://github.com/env-logger-rs/env_logger/releases)
- [Changelog](https://github.com/rust-cli/env_logger/blob/main/CHANGELOG.md)
- [Commits](rust-cli/env_logger@v0.9.0...v0.9.3)

---
updated-dependencies:
- dependency-name: env_logger
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Cargo.toml

@@ -20,7 +20,7 @@ bench = false
 [dependencies]
 clap = {version = "3.0.0-beta.2", features = ["derive"]}
 log = "0.4"
-env_logger = "0.9.0"
+env_logger = "0.9.3"
 base64 = "0.13.0"
 rayon = "1.5.1"
 petgraph = "0.6.0"