chore(deps): bump kotlinx-coroutines.version in /restclient-kotlin-co (…

…#2680)

Bumps `kotlinx-coroutines.version` from 1.8.1 to 1.9.0.

Updates `org.jetbrains.kotlinx:kotlinx-coroutines-core` from 1.8.1 to 1.9.0
- [Release notes](https://github.com/Kotlin/kotlinx.coroutines/releases)
- [Changelog](https://github.com/Kotlin/kotlinx.coroutines/blob/master/CHANGES.md)
- [Commits](Kotlin/kotlinx.coroutines@1.8.1...1.9.0)

Updates `org.jetbrains.kotlinx:kotlinx-coroutines-test` from 1.8.1 to 1.9.0
- [Release notes](https://github.com/Kotlin/kotlinx.coroutines/releases)
- [Changelog](https://github.com/Kotlin/kotlinx.coroutines/blob/master/CHANGES.md)
- [Commits](Kotlin/kotlinx.coroutines@1.8.1...1.9.0)

---
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:development
  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>

restclient-kotlin-co/pom.xml

@@ -27,7 +27,7 @@
         <wiremock.version>3.9.1</wiremock.version>
         <jackson.version>2.15.2</jackson.version>
         <kotest.version>5.9.1</kotest.version>
-        <kotlinx-coroutines.version>1.8.1</kotlinx-coroutines.version>
+        <kotlinx-coroutines.version>1.9.0</kotlinx-coroutines.version>
     </properties>
     <dependencyManagement>
         <dependencies>