build(deps): bump tonic-build from 0.4.0 to 0.4.2 (#1070)

Bumps [tonic-build](https://github.com/hyperium/tonic) from 0.4.0 to 0.4.2.
- [Release notes](https://github.com/hyperium/tonic/releases)
- [Changelog](https://github.com/hyperium/tonic/blob/master/CHANGELOG.md)
- [Commits](hyperium/tonic@v0.4.0...v0.4.2)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.lock

@@ -2298,9 +2298,9 @@ dependencies = [
 
 [[package]]
 name = "tonic-build"
-version = "0.4.0"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1e8546fd40d56d28089835c0a81bb396848103b00f888aea42d46eb5974df07"
+checksum = "c695de27302f4697191dda1c7178131a8cb805463dda02864acb80fe1322fdcf"
 dependencies = [
  "proc-macro2",
  "prost-build",