Update data-analysis-libraries.md

Timefold is the successor of OptaPlanner
OptaPlanner is discontinued: https://access.redhat.com/articles/7060671

Author: antonarhipov

docs/topics/data-analysis/data-analysis-libraries.md

@@ -354,7 +354,7 @@ Here are some examples of such libraries:
   </tr>
   <tr>
     <td>
-      <a href="https://www.optaplanner.org/"><strong>OptaPlanner</strong></a>
+      <a href="https://github.com/TimefoldAI/"><strong>Timefold</strong></a>
     </td>
     <td>
       <list>
@@ -368,4 +368,4 @@ Here are some examples of such libraries:
       </list>
     </td>
   </tr>
-</table>
+</table>