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/accounts/delete.ts

@@ -21,7 +21,7 @@ export const paramDef = {
 
 // eslint-disable-next-line import/no-default-export
 export default define(meta, paramDef, async (ps, me) => {
-	const user = await Users.findOne(ps.userId);
+	const user = await Users.findOneBy({ id: ps.userId });
 
 	if (user == null) {
 		throw new Error('user not found');