Update tonic requirement from 0.11.0 to 0.12.0

Updates the requirements on [tonic](https://github.com/hyperium/tonic) to permit the latest version.
- [Release notes](https://github.com/hyperium/tonic/releases)
- [Changelog](https://github.com/hyperium/tonic/blob/master/CHANGELOG.md)
- [Commits](hyperium/tonic@v0.11.0...v0.12.0)

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

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

Author: dependabot[bot]

Cargo.toml

@@ -30,7 +30,7 @@ prost = "0.12.4"
 simple_logger = "5.0.0"
 tokio = { version = "1.37.0", features = ["macros", "rt", "signal"] }
 tokio-util = "0.7.10" 
-tonic = "0.11.0"
+tonic = "0.12.0"
 void = "1.0.2"
 envmnt = "*"