Update env_logger requirement from 0.10 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@v0.10.0...v0.11.0)

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

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

Cargo.toml

@@ -63,7 +63,7 @@ thiserror = "1.0"
 [dev-dependencies]
 criterion = "0.4"
 ctor = "0.2"
-env_logger = "0.10"
+env_logger = "0.11"
 kvproto = { git = "https://github.com/pingcap/kvproto.git", default-features = false, features = ["protobuf-codec"] }
 raft = { git = "https://github.com/tikv/raft-rs", branch = "master", default-features = false, features = ["protobuf-codec"] }
 rand = "0.8"

ctl/Cargo.toml

@@ -10,5 +10,5 @@ license = "Apache-2.0"
 
 [dependencies]
 clap = { version = "3.1", features = ["derive", "cargo"] }
-env_logger = "0.10"
+env_logger = "0.11"
 raft-engine = { path = "..", version = "0.4.1", features = ["scripting", "internals"] }