feat: send notification to admins after LibreSign upgrade

[samuelsonbrito]

Pull Request Description

Screen:

Related Issue

Issue Number: https://github.com/LibreSign/libresign/issues/4680

Pull Request Type

• Feature

Pull request checklist

• [X] Identify how to add this notification after LibreSign update
• [X] Send notification to admins after LibreSign upgrade
• [X] Add notification
• [X] Add dismiss button
• [ ] Check texts for notification