Bump kotlin from 2.1.10 to 2.1.20

Bumps `kotlin` from 2.1.10 to 2.1.20.

Updates `org.jetbrains.kotlin.jvm` from 2.1.10 to 2.1.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.1.10...v2.1.20)

Updates `org.jetbrains.kotlin.plugin.spring` from 2.1.10 to 2.1.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.1.10...v2.1.20)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin.jvm
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin.plugin.spring
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -3,7 +3,7 @@
 coroutines = "1.10.1"
 jooqDockerPlugin = "0.3.12"
 jvmTarget = "21"
-kotlin = "2.1.10"
+kotlin = "2.1.20"
 mockk = "1.13.17"
 mockkSpring = "4.0.2"
 postgres = "42.7.4"