Adds CI minutes usage CSV export button

What does this MR do and why?

Adds CI minutes usage CSV export button

Depends on !139158 (merged)

We can keep this branch up to date by calling:

git pull --rebase origin pedropombeiro/426560/runner-usage-analytics-export

Screenshots or screen recordings

Before	After

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #434941 (closed)