Merge pull request #662 from nextcloud/renovate/kotlin-monorepo

chore(deps): update kotlin monorepo to v2.1.21

Author: github-actions[bot]

build.gradle

@@ -8,13 +8,13 @@
 buildscript {
     ext {
         daggerVersion = "2.56.2"
-        kotlinVersion = "2.1.20"
+        kotlinVersion = "2.1.21"
     }
 }
 
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
-    id 'org.jetbrains.kotlin.plugin.compose' version '2.1.20' apply false
+    id 'org.jetbrains.kotlin.plugin.compose' version '2.1.21' apply false
     id 'com.android.library' version '8.10.0' apply false
     id 'org.jetbrains.kotlin.android' version "$kotlinVersion" apply false
     id "org.jetbrains.kotlin.kapt" version "$kotlinVersion" apply false