refactor: migrate to typeorm 3.0 (#8443)

* wip

* wip

* wip

* Update following.ts

* wip

* wip

* wip

* Update resolve-user.ts

* maxQueryExecutionTime

* wip

* wip

packages/backend/src/server/api/endpoints/admin/promo/create.ts

@@ -40,7 +40,7 @@ export default define(meta, paramDef, async (ps, user) => {
 		throw e;
 	});
 
-	const exist = await PromoNotes.findOne(note.id);
+	const exist = await PromoNotes.findOneBy({ noteId: note.id });
 
 	if (exist != null) {
 		throw new ApiError(meta.errors.alreadyPromoted);