chore(deps): update env_logger requirement from 0.8.4 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/v0.8.4...v0.10.0)

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

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

examples/Cargo.toml

@@ -31,7 +31,7 @@ futures = "0.3.21"
 tokio = { version = "1.20.0", features = ["full"] }
 
 # env-logger example
-env_logger = "0.8.4"
+env_logger = "0.10.0"
 
 # tower examples
 tower = { version = "0.4.13", features = ["full"] }

tracing-log/Cargo.toml

@@ -26,7 +26,7 @@ log-tracer = []
 tracing-core = { path = "../tracing-core", version = "0.2"}
 log = "0.4.17"
 once_cell = "1.13.0"
-env_logger = { version = "0.8.4", optional = true }
+env_logger = { version = "0.10.0", optional = true }
 
 [dev-dependencies]
 tracing = { path = "../tracing", version = "0.2"}