chore(deps): update tonic-reflection requirement from 0.5.0 to 0.6.0 (#240)

Updates the requirements on [tonic-reflection](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@v0.5.0...v0.6.0)

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

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

examples/bank-accounting/Cargo.toml

@@ -20,7 +20,7 @@ thiserror = "1.0.30"
 tokio = { version = "1.13.0", features = ["macros", "rt-multi-thread"] }
 tonic = { version = "0.8.1", features = ["gzip", "transport"] }
 tonic-health = "0.8.0"
-tonic-reflection = "0.5.0"
+tonic-reflection = "0.6.0"
 tower = "0.4.11"
 tower-http = { version = "0.3.4", features = ["trace"] }
 tracing = "0.1.29"