Merge pull request #1069 from InnerSourceCommons/changing-CFP-date

Update isc-2025.md

Author: andrea-kyurchiev

content/en/events/isc-2025.md

@@ -62,7 +62,7 @@ To submit a CFP, please visit [InnerSource Summit 2025 - Call for Presenters](ht
 
 ## Talk Submission Timelines
 Monday, May 12 – 2025 CFP Opens <br />
-Monday, July 15th at 5PM GMT – 2025 CFP Closes <br />
+Friday, August 31st at 5PM GMT – 2025 CFP Closes <br />
 September – Communication from the InnerSource Commons Summit team on status updates and final speaker schedule announcement <br />
 <br />