Added known issue for PMP

Author: katarzyna-koltun-mx

content/en/docs/releasenotes/private-platform/1.24.md

@@ -57,6 +57,10 @@ We have provided the following fixes:
     * CVE-2020-14338
     * CVE-2019-12415
 
+#### Known Issues
+
+* Perpetual Licenses are not supported by the license upload functionality.
+
 ## 1.24.0
 
 ### Release date: September 16, 2025