Update kotlin monorepo to v2.3.20

Author: renovate[bot]

example/AndroidOnlyExample/gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-kotlin = "2.2.21"
+kotlin = "2.3.20"
 agp = "8.11.1"
 ksp = "2.3.4"
 ktorfit = "2.7.2"

example/MultiplatformExample/build.gradle.kts

@@ -9,9 +9,9 @@ buildscript {
         }
     }
     dependencies {
-        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:2.2.0")
+        classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:2.3.20")
         classpath("com.android.tools.build:gradle:8.12.0")
-        classpath("org.jetbrains.kotlin:kotlin-serialization:2.2.0")
+        classpath("org.jetbrains.kotlin:kotlin-serialization:2.3.20")
     }
 }
 

gradle/libs.versions.toml

@@ -6,7 +6,7 @@ coroutines = "1.8.1"
 detekt = "2.0.0-alpha.2"
 junit = "4.13.2"
 kctfork = "0.12.1"
-kotlin = "2.3.20-RC3"
+kotlin = "2.3.20"
 kotlinx = "1.10.2"
 kotlinPoet = "2.2.0"
 kspVersion = "2.3.6"