build(deps): bump tonic-build from 0.6.0 to 0.6.2 (#1399)

Bumps [tonic-build](https://github.com/hyperium/tonic) from 0.6.0 to 0.6.2.
- [Release notes](https://github.com/hyperium/tonic/releases)
- [Changelog](https://github.com/hyperium/tonic/blob/master/CHANGELOG.md)
- [Commits](hyperium/tonic@v0.6.0...v0.6.2)

---
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>
(cherry picked from commit f6db5c6)
Signed-off-by: Oliver Gould <ver@buoyant.io>

Cargo.lock

@@ -2237,9 +2237,9 @@ dependencies = [
 
 [[package]]
 name = "tonic-build"
-version = "0.6.0"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "88358bb1dcfeb62dcce85c63006cafb964b7be481d522b7e09589d4d1e718d2a"
+checksum = "9403f1bafde247186684b230dc6f38b5cd514584e8bec1dd32514be4745fa757"
 dependencies = [
  "proc-macro2",
  "prost-build",