Move Android versions to catalog

app/build.gradle.kts

@@ -28,11 +28,11 @@ kotlin {
 
 android {
     namespace = "org.jellyfin.mobile"
-    compileSdk = 36
+    compileSdk = libs.versions.android.compileSdk.get().toInt()
 
     defaultConfig {
-        minSdk = 21
-        targetSdk = 36
+        minSdk = libs.versions.android.minSdk.get().toInt()
+        targetSdk = libs.versions.android.targetSdk.get().toInt()
         versionName = project.getVersionName()
         versionCode = getVersionCode(versionName!!)
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"

gradle/libs.versions.toml

@@ -1,4 +1,9 @@
 [versions]
+# Android
+android-compileSdk = "36"
+android-minSdk = "21"
+android-targetSdk = "36"
+
 # Plugins
 android-plugin = "9.2.1"
 kotlin = "2.4.0"