Bump kotlinx.coroutines.version from 1.8.1 to 1.9.0 (#2547)

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

Updates `org.jetbrains.kotlinx:kotlinx-coroutines-jdk8` 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-reactor` 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-jdk8
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.jetbrains.kotlinx:kotlinx-coroutines-reactor
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

kotlin/pom.xml

@@ -30,7 +30,7 @@
   <properties>
     <main.basedir>${project.basedir}/..</main.basedir>
     <kotlin.version>2.0.20</kotlin.version>
-    <kotlinx.coroutines.version>1.8.1</kotlinx.coroutines.version>
+    <kotlinx.coroutines.version>1.9.0</kotlinx.coroutines.version>
   </properties>
 
   <dependencies>