Update RHCOS to OCP version map (#3096)

Co-authored-by: sebrandon1 <[email protected]>

Author: github-actions[bot]

tests/platform/operatingsystem/files/rhcos_version_map

@@ -594,6 +594,7 @@
 4.19.2 / 9.6.20250625-0
 4.19.3 / 9.6.20250701-0
 4.19.4 / 9.6.20250708-0
+4.19.5 / 9.6.20250715-0
 4.20.0-ec.0 / 9.6.20250502-0
 4.20.0-ec.2 / 9.6.20250523-0
 4.20.0-ec.3 / 9.6.20250611-0