Update kotlin monorepo to v2.1.21

renovate[bot] · web-flow · commit 97848644b22f · 2025-05-13T12:53:57.000Z
diff --git a/gradle.properties b/gradle.properties
@@ -5,7 +5,7 @@ org.gradle.jvmargs=-Xmx3148m
 kotlin.daemon.jvmargs=-Xmx3g -Xms500m
 
 
-kotlin_version=2.1.10
+kotlin_version=2.1.21
 telegram_bot_api_version=23.2.0
 micro_utils_version=0.24.6
 serialization_version=1.8.0
