Update env_logger requirement from 0.9 to 0.11

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@v0.9.0...v0.11.6)

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

Signed-off-by: dependabot[bot] <[email protected]>

node/Cargo.toml

@@ -15,7 +15,7 @@ bincode = "1.3"
 futures = "0.3"
 async-trait = "0.1"
 log = "0.4"
-env_logger = "0.9"
+env_logger = "0.11"
 rand = "0.8"
 sha2 = "0.10"
 hex = "0.4"