Fix version to 1.2.8
Fix version to 1.2.8

fathens/Cordova-Plugin-Crashlytics,fathens/Cordova-Plugin-Crashlytics,fathens/Cordova-Plugin-Crashlytics,sawatani/Cordova-Plugin-Crashlytics,fathens/Cordova-Plugin-Crashlytics,sawatani/Cordova-Plugin-Crashlytics,sawatani/Cordova-Plugin-Crashlytics,sawatani/Cordova-Plugin-Crashlytics,fathens/Cordova-Plugin-Crashlytics,sawatani/Cordova-Plugin-Crashlytics