Bump kotlinx.version from 1.8.0 to 1.8.1

Bumps `kotlinx.version` from 1.8.0 to 1.8.1.

Updates `org.jetbrains.kotlinx:kotlinx-coroutines-core` from 1.8.0 to 1.8.1
- [Release notes](https://github.com/Kotlin/kotlinx.coroutines/releases)
- [Changelog](https://github.com/Kotlin/kotlinx.coroutines/blob/master/CHANGES.md)
- [Commits](Kotlin/kotlinx.coroutines@1.8.0...1.8.1)

Updates `org.jetbrains.kotlinx:kotlinx-coroutines-reactor` from 1.8.0 to 1.8.1
- [Release notes](https://github.com/Kotlin/kotlinx.coroutines/releases)
- [Changelog](https://github.com/Kotlin/kotlinx.coroutines/blob/master/CHANGES.md)
- [Commits](Kotlin/kotlinx.coroutines@1.8.0...1.8.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -24,7 +24,7 @@
         <picocli.version>4.7.6</picocli.version>
         <junit-jupiter.version>5.10.2</junit-jupiter.version>
         <kotest.version>5.9.0</kotest.version>
-        <kotlinx.version>1.8.0</kotlinx.version>
+        <kotlinx.version>1.8.1</kotlinx.version>
         <slf4j.version>2.0.13</slf4j.version>
         <opencsv.version>5.9</opencsv.version>