Add release notes link in the Admin view

Description

We have administrators who do not read the release notes before upgrading, leading to support requests for problems that could have been avoided if they had read the release notes in the first place.

The only places where we mention the changes on each version are the blog post and the changelog.

I propose to add a link to the release blog post on the Administration panel, adding more information to the current version check (see screenshot below), to bring more awareness to administrators.

Proposal

Changes on GitLab admin panel:

• Add a link inside the version check box
• When the box is green, no link should appear.
• When the box is orange or red, indicating that we need to update, the button could be a link to the blog post.

Future	Current

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