Update check on Admin-Settings General page

[kulmann]

Initial Checklist

• I understand this is a user story and questions should be posted in the Community Discussions
• I searched issues and couldn’t find anything (or linked relevant results below)

User Story

• As an admin, I want to see on the "General" page of the admin-settings app if my version is up to date that I know when to update

User Value

Consistency when displaying the version

Acceptance Criteria

• Update info (Update available or version is up to date) is shown on the General page in the admin-settings app below the server version