Bump org.jetbrains.kotlin:kotlin-stdlib

Bumps [org.jetbrains.kotlin:kotlin-stdlib](https://github.com/JetBrains/kotlin) from 1.8.21 to 2.0.21.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v1.8.21...v2.0.21)

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

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

data-prepper-plugins/mapdb-processor-state/build.gradle

@@ -14,7 +14,7 @@ dependencies {
         exclude group: 'net.jpountz.lz4', module: 'lz4'
     }
     implementation 'org.lz4:lz4-java:1.8.0'
-    implementation 'org.jetbrains.kotlin:kotlin-stdlib:1.8.21'
+    implementation 'org.jetbrains.kotlin:kotlin-stdlib:2.0.21'
     implementation 'org.jetbrains.kotlin:kotlin-stdlib-common:1.9.23'
     testImplementation project(':data-prepper-plugins:common').sourceSets.test.output
 }