docs: fix cdn link (#8023)

src/swipe-cell/README.md

@@ -37,7 +37,7 @@ app.use(SwipeCell);
     desc="Description"
     title="Title"
     class="goods-card"
-    thumb="https://img.yzcdn.cn/vant/cat.jpeg"
+    thumb="https://img01.yzcdn.cn/vant/cat.jpeg"
   />
   <template #right>
     <van-button square text="Delete" type="danger" class="delete-button" />

src/swipe-cell/README.zh-CN.md

@@ -45,7 +45,7 @@ app.use(SwipeCell);
     desc="描述信息"
     title="商品标题"
     class="goods-card"
-    thumb="https://img.yzcdn.cn/vant/cat.jpeg"
+    thumb="https://img01.yzcdn.cn/vant/cat.jpeg"
   />
   <template #right>
     <van-button square text="删除" type="danger" class="delete-button" />

src/swipe-cell/demo/index.vue

@@ -92,7 +92,7 @@ export default {
 
     return {
       t,
-      imageURL: 'https://img.yzcdn.cn/vant/ipad.jpeg',
+      imageURL: 'https://img01.yzcdn.cn/vant/ipad.jpeg',
       beforeClose,
     };
   },

src/swipe-cell/test/__snapshots__/demo.spec.js.snap

@@ -63,7 +63,7 @@ exports[`should render demo and match snapshot 1`] = `
             <div class="van-image"
                  style="width: 100%; height: 100%;"
             >
-              <img src="https://img.yzcdn.cn/vant/ipad.jpeg"
+              <img src="https://img01.yzcdn.cn/vant/ipad.jpeg"
                    class="van-image__img"
                    style="object-fit: cover;"
               >