message: chore: fix OpenCollective silver tier
diff: @@ -226,6 +226,12 @@ Funds donated via Patreon go directly to support Evan You's full-time work on Vu
  </table>
  <!--silver end-->
  +<h4 align="center">Silver via OpenCollective</h4>
  +
  +<a href="https://opencollective.com/vuejs/tiers/silver-sponsors/0/website" target="_blank" rel="noopener noreferrer"><img src="https://opencollective.com/vuejs/tiers/silver-sponsors/0/avatar.svg"></a>
  +<a href="https://opencollective.com/vuejs/tiers/silver-sponsors/1/website" target="_blank" rel="noopener noreferrer"><img src="https://opencollective.com/vuejs/tiers/silver-sponsors/1/avatar.svg"></a>
  +<a href="https://opencollective.com/vuejs/tiers/silver-sponsors/2/website" target="_blank" rel="noopener noreferrer"><img src="https://opencollective.com/vuejs/tiers/silver-sponsors/2/avatar.svg"></a>
  +
  <h2 align="center">Bronze via Patreon</h2>
  <!--bronze start-->
  