APIの権限設定漏れを修正 (#6202)

* Fix: 権限設定漏れ

* requireAdmin

src/server/api/endpoints/admin/get-table-stats.ts

@@ -2,7 +2,8 @@ import define from '../../define';
 import { getConnection } from 'typeorm';
 
 export const meta = {
-	requireCredential: false as const,
+	requireCredential: true as const,
+	requireAdmin: true,
 
 	desc: {
 		'en-US': 'Get table stats'

src/server/api/endpoints/admin/server-info.ts

@@ -5,7 +5,8 @@ import define from '../../define';
 import redis from '../../../../db/redis';
 
 export const meta = {
-	requireCredential: false as const,
+	requireCredential: true as const,
+	requireAdmin: true,
 
 	desc: {
 	},