Bump kotlin_version from 1.9.22 to 1.9.23

Bumps `kotlin_version` from 1.9.22 to 1.9.23.

Updates `org.jetbrains.kotlin:kotlin-gradle-plugin` from 1.9.22 to 1.9.23
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v1.9.23/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.9.22...v1.9.23)

Updates `org.jetbrains.kotlin:kotlin-stdlib` from 1.9.22 to 1.9.23
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v1.9.23/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.9.22...v1.9.23)

Updates `org.jetbrains.kotlin:kotlin-test-junit` from 1.9.22 to 1.9.23
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v1.9.23/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.9.22...v1.9.23)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-gradle-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin:kotlin-stdlib
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin:kotlin-test-junit
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle

@@ -1,7 +1,7 @@
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.9.22'
+    ext.kotlin_version = '1.9.23'
     ext.dokka_version = '1.9.10'
     ext.bnd_version = '6.4.0'
     ext.license_version = '0.16.1'