Merge pull request #382 from openapi-processor/dependabot/gradle/org.jetbrains.kotlin-kotlin-gradle-plugin-2.3.21

build(deps): bump org.jetbrains.kotlin:kotlin-gradle-plugin from 2.3.20 to 2.3.21

Author: hauner

gradle/libs.versions.toml

@@ -4,7 +4,7 @@ processor = "2026.3b-SNAPSHOT"
 parser = "2026.2"
 api = "2024.2"
 
-kotlin = "2.3.20"
+kotlin = "2.3.21"
 build-jdk = "17"
 test-jdk = "17"
 build-plugins = "2026.3"