Updating title of Keynote speaker

Updating title of key note speaker

Author: OliveCannon

content/en/events/isc-2023.md

@@ -74,7 +74,7 @@ regions. Each session will have a unique set of speakers in two tracks that run
         <td class="time">15:20 - 15:50</td>
             <td class="author" colspan="2">
         <b><a href="#mary_lynn_manns">Mary Lynn Manns</a></b><br>
-        <b>Keynote</b>: Fearless Change: Making Change Happen when the Skeptics Surround You
+        <b>Keynote</b>: InnerSource: Sparking the Fire
         </td>
   </tr>