1.5.0-beta.1

### ✨ Features

* Update cozy-ui from `81.1.0` to `89.0.0`
* Group creation without a name is no longer possible
* Add **Select all** action
* Add new modal for delete contact group, allowing the choice to delete associated contacts.

### 🐛 Bug Fixes

* Error handling if there are no contacts in a deleted group
* Style of empty group view on mobile
* on mobile, back button should not return to modal url (e00ba18)

### 🔧 Tech

* Update `cozy-scripts` from `8.0.2` to `8.1.1`
* Add sentry
* Fixed flags not working for some time
* Update `eslint-config-cozy-app`, in order to be able to take advantage of the latest rules