chore(deps): bump tonic-build from 0.8.4 to 0.9.1

Bumps [tonic-build](https://github.com/hyperium/tonic) from 0.8.4 to 0.9.1.
- [Release notes](https://github.com/hyperium/tonic/releases)
- [Changelog](https://github.com/hyperium/tonic/blob/master/CHANGELOG.md)
- [Commits](hyperium/tonic@v0.8.4...v0.9.1)

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

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

Cargo.toml

@@ -337,7 +337,7 @@ nix = { version = "0.26.2", default-features = false, features = ["socket", "sig
 
 [build-dependencies]
 prost-build = { version = "0.11", default-features = false, optional = true }
-tonic-build = { version = "0.8", default-features = false, features = ["transport", "prost"], optional = true }
+tonic-build = { version = "0.9", default-features = false, features = ["transport", "prost"], optional = true }
 openssl-src = { version = "111", default-features = false, features = ["force-engine"] }
 
 [dev-dependencies]

lib/opentelemetry-proto/Cargo.toml

@@ -7,7 +7,7 @@ publish = false
 
 [build-dependencies]
 prost-build = { version = "0.11", default-features = false}
-tonic-build = { version = "0.8", default-features = false, features = ["prost", "transport"] }
+tonic-build = { version = "0.9", default-features = false, features = ["prost", "transport"] }
 
 [dependencies]
 bytes = { version = "1.4.0", default-features = false, features = ["serde"] }