chore: rename the app because of the play store restrictions

src/android/AndroidManifest.xml

 <?xml version="1.0"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="io.qt.qtuiviewer"
-    android:installLocation="auto" android:versionCode="27" android:versionName="1.0.0">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="io.qt.qtdesignviewer"
+    android:installLocation="auto" android:versionCode="28" android:versionName="1.0.1">
     <!-- %%INSERT_PERMISSIONS -->
     <!-- %%INSERT_FEATURES -->
     <supports-screens android:anyDensity="true" android:largeScreens="true"

tests/android/AndroidManifest.xml

 <?xml version="1.0"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="io.qt.qtuiviewer.test"
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="io.qt.qtdesignviewer.test"
     android:installLocation="auto" android:versionCode="1" android:versionName="1">
     <!-- %%INSERT_PERMISSIONS -->
     <!-- %%INSERT_FEATURES -->