[clang][NFC] Claim support for P3106R1 since Clang 17

Test for this paper were added in #91435

Author: Endilll

clang/www/cxx_status.html

@@ -172,7 +172,7 @@ <h2 id="cxx26">C++2c implementation status</h2>
  <tr>
   <td>Clarifying rules for brace elision in aggregate initialization</td>
   <td><a href="https://wg21.link/P3106R1">P3106R1</a> (<a href="#dr">DR</a>)</td>
-  <td class="none" align="center">No</td>
+  <td class="full" align="center">Clang 17</td>
  </tr>
  <tr>
   <td>Attributes for Structured Bindings</td>