Update pretty_env_logger requirement from 0.3 to 0.4

Updates the requirements on [pretty_env_logger](https://github.com/seanmonstar/pretty-env-logger) to permit the latest version.
- [Release notes](https://github.com/seanmonstar/pretty-env-logger/releases)
- [Commits](seanmonstar/pretty-env-logger@v0.3.0...v0.4.0)

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

Author: dependabot-preview[bot]

Cargo.toml

@@ -28,7 +28,7 @@ crypto-hash = "0.3.1"
 curl = { version = "0.4.23", features = ["http2"] }
 curl-sys = "0.4.22"
 env_logger = "0.7.0"
-pretty_env_logger = { version = "0.3", optional = true }
+pretty_env_logger = { version = "0.4", optional = true }
 anyhow = "1.0"
 filetime = "0.2"
 flate2 = { version = "1.0.3", features = ["zlib"] }