Bump kotlinx-coroutines from 1.6.0 to 1.8.0 (#229)

Bumps `kotlinx-coroutines` from 1.6.0 to 1.8.0.

Updates `org.jetbrains.kotlinx:kotlinx-coroutines-core` from 1.6.0 to 1.8.0
- [Release notes](https://github.com/Kotlin/kotlinx.coroutines/releases)
- [Changelog](https://github.com/Kotlin/kotlinx.coroutines/blob/master/CHANGES.md)
- [Commits](Kotlin/kotlinx.coroutines@1.6.0...1.8.0)

Updates `org.jetbrains.kotlinx:kotlinx-coroutines-test` from 1.6.0 to 1.8.0
- [Release notes](https://github.com/Kotlin/kotlinx.coroutines/releases)
- [Changelog](https://github.com/Kotlin/kotlinx.coroutines/blob/master/CHANGES.md)
- [Commits](Kotlin/kotlinx.coroutines@1.6.0...1.8.0)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlinx:kotlinx-coroutines-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.jetbrains.kotlinx:kotlinx-coroutines-test
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Andrew Parmet <andrewparmet@users.noreply.github.com>

gradle/libs.versions.toml

@@ -17,7 +17,7 @@ grpc-java = "1.63.0"
 grpc-kotlin = "1.4.1"
 kotlinLogging = "5.1.0"
 kotlinPoet = "1.16.0"
-kotlinx-coroutines = "1.6.0"
+kotlinx-coroutines = "1.8.0"
 kotlinx-serialization = "1.6.3"
 ktlint = "1.2.1"
 protobuf-java = "3.21.7"