minor update to lang tabe (#2121)

Author: s-santillan

src/components/reference/_supported-languages-table.mdx

@@ -7,7 +7,7 @@
     <thead><tr>
         <td><strong>Languages</strong></td>
         <td><strong>Semgrep Code</strong><br />Supports 35+ languages</td>
-        <td><strong>Semgrep Supply Chain</strong><br />Supports 10+ languages</td>
+        <td><strong>Semgrep Supply Chain</strong><br />Supports 14 languages</td>
     </tr></thead>
     <tbody>
     <tr>