Add cell local schema
What does this MR do and why?
Add cell local schema to gitlab_subscription_histoires
table.
The gitlab_subscription_histories
table is used to log the historical changes of a gitlab_subscription
record.
As the gitlab_subscription
table itself is on cell local scope, this table can also have cell local scope.
See the task for more details: https://gitlab.com/gitlab-org/gitlab/-/work_items/441644
MR acceptance checklist
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Related to #441399
Edited by Bishwa Hang Rai