Update kotlin_version to v2.3.21

gradle.properties

@@ -9,7 +9,7 @@ android.useAndroidX=true
 android.enableJetifier=false
 
 
-kotlin_version=2.3.20
+kotlin_version=2.3.21
 kotlin_coroutines_version=1.10.2
 kotlin_serialization_version=1.11.0
 

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.4-bin.zip