chore: update sponsors [ci skip] (#12217)

BACKERS.md

@@ -278,6 +278,11 @@ Funds donated via Patreon go directly to support Evan You's full-time work on Vu
           <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/troypoint.png">
         </a>
       </td>
+      <td align="center" valign="middle">
+        <a href="https://webreinvent.com?utm_source=vuejs.org&utm_medium=logo&utm_campaign=patreon-sponsors" target="_blank">
+          <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/webreinvent_technologies_pvt_ltd.svg?sanitize=true">
+        </a>
+      </td>
     </tr><tr></tr>
   </tbody>
 </table>

README.md

@@ -283,6 +283,11 @@ Funds donated via Patreon go directly to support Evan You's full-time work on Vu
           <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/troypoint.png">
         </a>
       </td>
+      <td align="center" valign="middle">
+        <a href="https://webreinvent.com?utm_source=vuejs.org&utm_medium=logo&utm_campaign=patreon-sponsors" target="_blank">
+          <img width="148px" src="https://raw.githubusercontent.com/vuejs/vuejs.org/master/themes/vue/source/images/webreinvent_technologies_pvt_ltd.svg?sanitize=true">
+        </a>
+      </td>
     </tr><tr></tr>
   </tbody>
 </table>