update version to 20231228-01 (399)

Change-Id: Ibcb9c1989c735d74620860ce5d932efef5483c3b

jami-android/app/build.gradle.kts

@@ -19,8 +19,8 @@ android {
     defaultConfig {
         minSdk = 24
         targetSdk = 34
-        versionCode = 398
-        versionName = "20231221-01"
+        versionCode = 399
+        versionName = "20231228-01"
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         externalNativeBuild {
             cmake {