Add index to git_hooks. project_id
The table does not have indexes besides the PK, and we are hitting it often.
We don't have an index on it and we are querying a lot for it (1206 times in a sample for current log)
SELECT "git_hooks".* FROM "git_hooks" WHERE "git_hooks"."project_id" = $1 LIMIT 1
cc/ @yorickpeterse