Add shared runner duration by project - Usage Quota Graph

What does this MR do and why?

Adds ability to view shared runner duration by project on the usage quota page (User namespace).

Related to: #356722 (closed) & #355666 (closed)

Screenshots or screen recordings

User namespace

before	after

How to set up and validate locally

User > Preferences > Usage Quotas

MR acceptance checklist

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