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/ad/delete.ts

@@ -27,7 +27,7 @@ export const paramDef = {
 
 // eslint-disable-next-line import/no-default-export
 export default define(meta, paramDef, async (ps, me) => {
-	const ad = await Ads.findOne(ps.id);
+	const ad = await Ads.findOneBy({ id: ps.id });
 
 	if (ad == null) throw new ApiError(meta.errors.noSuchAd);