Bump build number for release, keep version at 2.0.0

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FXcrACM5sok3M1KQJ8kByy

androidApp/build.gradle.kts

@@ -27,7 +27,7 @@ android {
         applicationId = "xyz.tyiu.SatsPrice"
         minSdk = libs.versions.android.minSdk.get().toInt()
         targetSdk = libs.versions.android.targetSdk.get().toInt()
-        versionCode = 11
+        versionCode = 12
         versionName = "2.0.0"
     }
     packaging {

iosApp/Configuration/Config.xcconfig

@@ -3,5 +3,5 @@ TEAM_ID=S99A5B637C
 PRODUCT_NAME=SatsPrice
 PRODUCT_BUNDLE_IDENTIFIER=xyz.tyiu.SatsPrice
 
-CURRENT_PROJECT_VERSION=11
+CURRENT_PROJECT_VERSION=12
 MARKETING_VERSION=2.0.0