Add metered billing cron for services

[michaeljguarino]

Summary

Will be how we will report service usage to stripe for all registered clusters

Test Plan

unit test

Checklist

• If required, I have updated the Plural documentation accordingly.
• I have added tests to cover my changes.
• I have added a meaningful title and summary to convey the impact of this PR to a user.
• I have added relevant labels to this PR to help with categorization for release notes.

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Static Hosting

Name	Link	Commit	Status
api-coverage	Visit	2576f39	✅
rtc-coverage	Visit	2576f39	✅
core-coverage	Visit	2576f39	✅
cron-coverage	Visit	2576f39	✅
email-coverage	Visit	2576f39	✅
worker-coverage	Visit	2576f39	✅
api-test-results	Visit	2576f39	✅
graphql-coverage	Visit	2576f39	✅
rtc-test-results	Visit	2576f39	✅
core-test-results	Visit	2576f39	✅
cron-test-results	Visit	2576f39	✅
email-test-results	Visit	2576f39	✅
worker-test-results	Visit	2576f39	✅
graphql-test-results	Visit	2576f39	✅

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