[material_ui, cupertino_ui] Prepare to release 1.0.0 - #12425

[material_ui, cupertino_ui] Prepare to release 1.0.0#12425

auto-submit[bot] merged 1 commit into

flutter:mainflutter/packages:mainfrom

justinmc:promote-design-languagesjustinmc/packages:promote-design-languagesCopy head branch name to clipboard