Update typescript support (#1166)

Author: NullVoxPopuli

app/templates/typescript-support.hbs

@@ -34,8 +34,8 @@
           <tr><td>5.4.x</td><td>6.4.0 - Current</td></tr>
           <tr><td>5.3.x</td><td>5.7.0 - Current</td></tr>
           <tr><td>5.2.x</td><td>5.7.0 - Current</td></tr>
-          <tr><td>5.1.x</td><td>5.2.0 - Current</td></tr>
-          <tr><td>5.0.x</td><td>5.2.0 - Current</td></tr>
+          <tr><td>5.1.x</td><td>5.2.0 - 6.7.x</td></tr>
+          <tr><td>5.0.x</td><td>5.2.0 - 6.7.x</td></tr>
           <tr><td>4.9.x</td><td>5.2.0 - 6.3.x</td></tr>
         </tbody>
       </table>