chore: update sponsors [ci skip] (#9588)

Author: vue-bot

Diff for: BACKERS.md

@@ -163,7 +163,7 @@ Funds donated via Patreon go directly to support Evan You's full-time work on Vu
         </a>
       </td>
       <td align="center" valign="middle">
-        <a href="https://syncfusion.com/products/vue" target="_blank">
+        <a href="http://www.syncfusion.com/?utm_source=vuejs&utm_medium=list&utm_campaign=vuejsjslistcy19" target="_blank">
           <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/syncfusion.png">
         </a>
       </td>

Diff for: README.md

@@ -168,7 +168,7 @@ Funds donated via Patreon go directly to support Evan You's full-time work on Vu
         </a>
       </td>
       <td align="center" valign="middle">
-        <a href="https://syncfusion.com/products/vue" target="_blank">
+        <a href="http://www.syncfusion.com/?utm_source=vuejs&utm_medium=list&utm_campaign=vuejsjslistcy19" target="_blank">
           <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/syncfusion.png">
         </a>
       </td>