Bump org.jetbrains.kotlinx:kotlinx-coroutines-core from 1.8.1 to 1.9.0

Bumps [org.jetbrains.kotlinx:kotlinx-coroutines-core](https://github.com/Kotlin/kotlinx.coroutines) 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
...

Signed-off-by: dependabot[bot] <[email protected]>

benchmarks/build.gradle.kts

@@ -5,7 +5,7 @@
 dependencies {
     implementation("org.apache.commons:commons-csv:1.11.0")
     implementation("org.jetbrains.kotlinx:kotlinx-serialization-json-jvm:1.7.3")
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.8.1")
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.9.0")
     implementation("io.ktor:ktor-client-cio-jvm:2.3.12")
     implementation(project(":lmos-router-core"))
     implementation(project(":lmos-router-llm"))