build(deps): update tonic-build requirement from 0.11.0 to 0.12.0

Updates the requirements on [tonic-build](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-build
  dependency-type: direct:production
...

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

proto-compiler/Cargo.toml

@@ -17,7 +17,7 @@ regex = { "version" = "1.10.4" }
 ureq = { "version" = "2.9.6" }
 zip = { version = "0.6.6", default-features = false, features = ["deflate"] }
 fs_extra = { version = "1.3.0" }
-tonic-build = { version = "0.11.0", optional = true }
+tonic-build = { version = "0.12.0", optional = true }
 
 
 [features]