Bump to 0.3.

- Increase gschema priority.
- Changed our GNOME overrides to be Budgie-session specific.
- Added GNOME Software to pinned apps in Icon Tasklist

gnome/meson.build

@@ -4,11 +4,11 @@ schemas = [
   'org.gnome.desktop.screensaver.gschema.override',
 ]
 
-custom_target('10_budgie_gnome_settings.gschema.override',
+custom_target('90_budgie_gnome_settings.gschema.override',
     capture: true,
     command: ['cat', '@INPUT@'],
     input: schemas,
     install_dir: path_schema,
     install: true,
-    output: '10_budgie_gnome_settings.gschema.override',
+    output: '90_budgie_gnome_settings.gschema.override',
 )