fix puke event quantitiy

The LunaEvent class treats quantities of 0
as a value to set. To workaround this, the
quantity index needs to start at >0.

app/build.gradle.kts

@@ -12,8 +12,8 @@ android {
         applicationId = "it.danieleverducci.lunatracker"
         minSdk = 21
         targetSdk = 34
-        versionCode = 7
-        versionName = "0.9"
+        versionCode = 6
+        versionName = "0.8"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }