Bump kotlin_version from 2.2.10 to 2.2.20 (#188)

Bumps `kotlin_version` from 2.2.10 to 2.2.20.

Updates `org.jetbrains.kotlin:kotlin-gradle-plugin` from 2.2.10 to 2.2.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.2.10...v2.2.20)

Updates `org.jetbrains.kotlin:kotlin-stdlib` from 2.2.10 to 2.2.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.2.10...v2.2.20)

Updates `org.jetbrains.kotlin:kotlin-test-junit` from 2.2.10 to 2.2.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.2.10...v2.2.20)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-gradle-plugin
  dependency-version: 2.2.20
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin:kotlin-stdlib
  dependency-version: 2.2.20
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin:kotlin-test-junit
  dependency-version: 2.2.20
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle

@@ -1,7 +1,7 @@
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '2.2.10'
+    ext.kotlin_version = '2.2.20'
     ext.dokka_version = '2.0.0'
     ext.bnd_version = '6.4.0'
     ext.license_version = '0.16.1'