chore(deps): bump org.jetbrains.kotlin:kotlin-stdlib (#74)

Bumps [org.jetbrains.kotlin:kotlin-stdlib](https://github.com/JetBrains/kotlin) 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:kotlin-stdlib
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle.kts

@@ -5,7 +5,7 @@ group = "io.github.mikaojk"
 version = System.getenv("NEW_VERSION") ?: "1.0.0"
 
 val junitJupiterVersion = "5.12.1"
-val kotlinVersion = "2.1.10"
+val kotlinVersion = "2.1.20"
 val ktfmtVersion = "0.44"
 
 plugins {