Add empty state for CI minutes usage quotas

What does this MR do and why?

Adds info alert banner as empty state for CI minutes usage when no data is found.

Screenshots or screen recordings

before	after

How to set up and validate locally

Profile > Preferences > Usage Quotas

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 #336969 (closed)