chore: add graphite as bronze sponsor (#7974)

Author: dyc3

packages/@biomejs/biome/README.md

@@ -184,6 +184,9 @@ Biome offers [enterprise support](https://biomejs.dev/enterprise), where Core Co
       <td align="center" valign="middle">
         <a href="https://www.convex.dev/?utm_source=biome&utm_medium=readme" target="_blank"><img src="https://avatars.githubusercontent.com/u/81530787?s=200&v=4" width="80" alt="Convex logo"></a>
       </td>
+      <td align="center" valign="middle">
+        <a href="https://graphite.dev/?utm_source=biome&utm_medium=readme" target="_blank"><img src="https://avatars.githubusercontent.com/u/61942612?s=200&v=4" width="80" alt="Graphite logo"></a>
+      </td>
     </tr>
   </tbody>
 </table>