build: bump version to 1.2.1

Author: wizpizz

gradle.properties

@@ -10,6 +10,6 @@ project.android.compileSdk=35
 project.android.minSdk=27
 project.android.targetSdk=35
 project.app.packageName=com.wizpizz.onepluspluslauncher
-project.app.versionName="1.2.0"
-project.app.versionCode=3
+project.app.versionName="1.2.1"
+project.app.versionCode=4
 org.gradle.configuration-cache=true