fix: a-qrcord component cannot show ts prompt (#7502)

Author: yuantongkang

typings/global.d.ts

@@ -255,7 +255,7 @@ declare module 'vue' {
 
     AWeekPicker: typeof import('ant-design-vue')['WeekPicker'];
 
-    AQRCode: typeof import('ant-design-vue')['QRCode'];
+    AQrCode: typeof import('ant-design-vue')['QRCode'];
 
     ATour: typeof import('ant-design-vue')['Tour'];