Update dependency org.jetbrains.kotlin.jvm to v2.2.21 (#135)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle/libs.versions.toml

@@ -8,7 +8,7 @@ opentest4j = "1.3.0"
 # plugins
 changelog = "2.4.0"
 intelliJPlatform = "2.10.2"
-kotlin = "2.2.20"
+kotlin = "2.2.21"
 kover = "0.9.3"
 qodana = "2025.2.1"