Bump kotlin_version from 2.0.0-Beta1 to 2.0.0-Beta2

Bumps `kotlin_version` from 2.0.0-Beta1 to 2.0.0-Beta2.

Updates `org.jetbrains.kotlin:kotlin-stdlib-jdk8` from 2.0.0-Beta1 to 2.0.0-Beta2
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v2.0.0-Beta2/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.0.0-Beta1...v2.0.0-Beta2)

Updates `org.jetbrains.kotlin:kotlin-reflect` from 2.0.0-Beta1 to 2.0.0-Beta2
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v2.0.0-Beta2/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.0.0-Beta1...v2.0.0-Beta2)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-stdlib-jdk8
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin:kotlin-reflect
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle

@@ -49,7 +49,7 @@ subprojects {
     apply plugin: 'maven-publish'
     apply plugin: 'jacoco'
 
-    ext.kotlin_version = '2.0.0-Beta1'
+    ext.kotlin_version = '2.0.0-Beta2'
 
     sourceCompatibility = 21
     targetCompatibility = 21