Update env_logger requirement from 0.7 to 0.10

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/v0.7.0...v0.10.0)

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

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

1 files changed, 1 insertions, 1 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 503030b..09fc685 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,4 +28,4 @@ derive_builder = "0.9.0"
 failure        = "0.1"
 
 [dev-dependencies]
-env_logger = "0.7"
+env_logger = "0.10"