For `inline alert` component, update to v1.2.0

[pylapp]

Description

Verbatims from @TonyAntonyHello:

⚠️ Version 2.7 of the design tokens is required to implement this update.

📏 Maximum text width

Added the new:
ouds/size/max-width/boxed-text

This token defines the maximum width of the Inline Alert text and helps maintain optimal readability on large screens.

See Figma specification

Definition of Ready

• Implementation of tokens v2.7 (In library, add tokens v2.7.0 #868 )

Definition of Done

Flutter Library

• Update of component
• Update CHANGELOG

Design System Toolbox

• Update snapshots
• Update CHANGELOG

[pylapp]

Caution

on hold until #868 implemented