build(deps): bump simplelog from 0.11.2 to 0.12.0 in /target-gen

Bumps [simplelog](https://github.com/drakulix/simplelog.rs) from 0.11.2 to 0.12.0.
- [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
  update-type: version-update:semver-minor
...

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

target-gen/Cargo.toml

@@ -29,7 +29,7 @@ log = "0.4.16"
 zip = "0.6.0"
 clap = { version = "3.1", features = ["derive"] }
 base64 = "0.13.0"
-simplelog = "0.11.2"
+simplelog = "0.12.0"
 anyhow = "1.0.56"
 reqwest = { version = "0.11.10", features = ["json", "blocking"] }
 serde = { version = "1.0.136", features = ["derive"] }