[Component] Inline alert

[paulinea]

See #925 for specifications

[github-actions]

📣 New Firebase App Distribution alpha release available 🚀

Scan the QR code below to download and install the Design System Toolbox app which contains the changes for this issue.
Please note that the link behind this QR code will expire on Thu, 26 Feb 2026 12:13:05 GMT.

• Application name: DesignToolbox
• Version name: 1.2.0-eb4661c
• Version code: 1455
  cc @B3nz01d (product owner)
  cc @florentmaitre @paulinea (dev team)
  cc @jerome-regnier (design team)
  cc @pya35 (a11y team)

[jerome-regnier]

Design review Figma :
https://www.figma.com/design/yKtkEY1DOl7YDvmt7jq0QF/-OUDS-Core-Lib--Review?node-id=71013-7294&t=sCvuoZFLsF3x3IMa-1
👌 OK Design