Update simplelog requirement from 0.11.2 to 0.12.0

Updates the requirements on [simplelog](https://github.com/drakulix/simplelog.rs) to permit the latest version.
- [Release notes](https://github.com/drakulix/simplelog.rs/releases)
- [Changelog](https://github.com/Drakulix/simplelog.rs/blob/master/CHANGELOG.md)
- [Commits](Drakulix/simplelog.rs@v0.11.2...v0.12.0)

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

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

Cargo.toml

@@ -35,7 +35,7 @@ pest_meta = "2.1.3"
 pest_vm = "2.1.0"
 displaydoc = { version = "0.2.3", default-features = false }
 log = "0.4.14"
-simplelog = "0.11.2"
+simplelog = "0.12.0"
 
 [dev-dependencies]
 indoc = "1.0.3"