Update ember to 3.28 · bustle/ember-mobiledoc-editor@6ddf169

Do not use `action` as (action ...). Instead, use the `on` modifier and `fn` helper.

Do not use `action` as (action ...). Instead, use the `on` modifier and `fn` helper.

Do not use `action` as (action ...). Instead, use the `on` modifier and `fn` helper.

Do not use `action` as (action ...). Instead, use the `on` modifier and `fn` helper.

Do not use `action` as (action ...). Instead, use the `on` modifier and `fn` helper.

Do not use `action` as (action ...). Instead, use the `on` modifier and `fn` helper.

Do not use `action` as (action ...). Instead, use the `on` modifier and `fn` helper.

Do not use `action` as (action ...). Instead, use the `on` modifier and `fn` helper.

Do not use `action` as {{action ...}}. Instead, use the `on` modifier and `fn` helper.

Do not use `action` as {{action ...}}. Instead, use the `on` modifier and `fn` helper.

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