feat(COGS): Add tenant_ids to new subscriptions created

[rahul-kumar-saini]

Overview

• As part of figuring out what % of generic metrics subscriptions queries originate from which use case IDs, we need to add extra data to the create subscription request
• For now this just means trying to update the subscriptions creation path with tenant_ids
• Eventually, there would be some sort of use_case_id passed along in the subscription creation flow which gets sent along in tenant_ids

Notes

• At some point, we'll need to do some sort of backfilling of all existing Subscriptions to now add this field as well
• Maybe using this?
  • https://github.com/getsentry/getsentry/blob/master/bin/subscription-migrate.py

[armenzg]

Is subscription.project.organization_id guaranteed to always exist and none of the properties being null?

[getsantry]

This issue has gone three weeks without activity. In another week, I will close it.

But! If you comment or otherwise update it, I will reset the clock, and if you remove the label Waiting for: Community, I will leave it alone ... forever!

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"A weed is but an unloved flower." ― Ella Wheeler Wilcox 🥀