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/get-index-stats.ts

@@ -1,5 +1,5 @@
 import define from '../../define.js';
-import { getConnection } from 'typeorm';
+import { db } from '@/db/postgre.js';
 
 export const meta = {
 	requireCredential: true,
@@ -16,15 +16,13 @@ export const paramDef = {
 
 // eslint-disable-next-line import/no-default-export
 export default define(meta, paramDef, async () => {
-	const stats = await
-		getConnection().query(`SELECT * FROM pg_indexes;`)
-		.then(recs => {
-			const res = [] as { tablename: string; indexname: string; }[];
-			for (const rec of recs) {
-				res.push(rec);
-			}
-			return res;
-		});
+	const stats = await db.query(`SELECT * FROM pg_indexes;`).then(recs => {
+		const res = [] as { tablename: string; indexname: string; }[];
+		for (const rec of recs) {
+			res.push(rec);
+		}
+		return res;
+	});
 
 	return stats;
 });