Bump android sdk to 31

buildSrc/src/main/kotlin/Deps.kt

@@ -137,6 +137,12 @@ object Deps {
 
 }
 
+object AndroidPluginConfiguration {
+    val sdkVersion = 31
+    val targetVersion = 31
+    val minVersion = 24
+}
+
 
 object PluginsDeps {
     val kotlinSerializationPlugin = "plugin.serialization"

multiplatform-crypto-libsodium-bindings/build.gradle.kts

@@ -58,10 +58,10 @@ version = ReleaseInfo.bindingsVersion
 val ideaActive = isInIdea()
 println("Idea active: $ideaActive")
 android {
-    compileSdkVersion(29)
+    compileSdkVersion(AndroidPluginConfiguration.sdkVersion)
     defaultConfig {
-        minSdkVersion(21)
-        targetSdkVersion(29)
+        minSdkVersion(AndroidPluginConfiguration.minVersion)
+        targetSdkVersion(AndroidPluginConfiguration.sdkVersion)
         versionCode = 1
         versionName = "1.0"
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"