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]>

build.gradle

@@ -65,7 +65,7 @@ dependencies {
     testImplementation group: "junit", name: "junit", version: "4.13.2" // v5 not supported by base JetBrains tests
 
     // https://mvnrepository.com/artifact/org.jetbrains.kotlinx/kotlinx-coroutines-core
-    testImplementation group: "org.jetbrains.kotlinx", name: "kotlinx-coroutines-core", version: "1.8.1"
+    testImplementation group: "org.jetbrains.kotlinx", name: "kotlinx-coroutines-core", version: "1.9.0"
 
     // https://mvnrepository.com/artifact/io.mockk/mockk
     testImplementation group: "io.mockk", name: "mockk", version: "1.13.13"