[rust dependency] Bump simplelog from 0.12.0 to 0.12.1 in /server

Bumps [simplelog](https://github.com/drakulix/simplelog.rs) from 0.12.0 to 0.12.1.
- [Release notes](https://github.com/drakulix/simplelog.rs/releases)
- [Changelog](https://github.com/Drakulix/simplelog.rs/blob/master/CHANGELOG.md)
- [Commits](Drakulix/simplelog.rs@v0.12.0...v0.12.1)

---
updated-dependencies:
- dependency-name: simplelog
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

server/Cargo.lock

@@ -17,7 +17,7 @@ jsonwebtoken = "8.1.1"
 log = "0.4.17"
 ron = "0.8.0"
 serde = "1.0.145"
-simplelog = "0.12.0"
+simplelog = "0.12.1"
 tokio = { version = "1.21.2", features = ["macros", "rt-multi-thread"] }
 warp = { version = "0.3.2", features = ["tls"] }
 warp-reverse-proxy = { version = "1", optional = true }