Bump version.kotlin from 2.2.10 to 2.2.20

Bumps `version.kotlin` from 2.2.10 to 2.2.20.

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-junit5` 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-maven-plugin` from 2.2.10 to 2.2.20

---
updated-dependencies:
- 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-junit5
  dependency-version: 2.2.20
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin:kotlin-maven-plugin
  dependency-version: 2.2.20
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
(cherry picked from commit 8514b0b)

Author: dependabot[bot]

independent-projects/arc/pom.xml

@@ -53,7 +53,7 @@
         <!-- test versions -->
         <version.assertj>3.27.4</version.assertj>
         <version.junit5>5.13.4</version.junit5>
-        <version.kotlin>2.2.10</version.kotlin>
+        <version.kotlin>2.2.20</version.kotlin>
         <version.kotlin-coroutines>1.10.2</version.kotlin-coroutines>
         <version.mockito>5.19.0</version.mockito>
         <!-- TCK versions -->