Update RHCOS to OCP version map (#2354)

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

tests/platform/operatingsystem/files/rhcos_version_map

@@ -272,6 +272,7 @@
 4.13.44 / 413.92.202406110749-0
 4.13.45 / 413.92.202407091321-0
 4.13.46 / 413.92.202407230903-0
+4.13.48 / 413.92.202408122222-0
 4.13.5 / 413.92.202307140015-0
 4.13.6 / 413.92.202307182034-0
 4.13.7 / 413.92.202307260246-0
@@ -358,6 +359,7 @@
 4.15.25 / 415.92.202407301159-0
 4.15.26 / 415.92.202408020931-0
 4.15.27 / 415.92.202408020931-0
+4.15.28 / 415.92.202408100433-0
 4.15.3 / 415.92.202403080220-0
 4.15.5 / 415.92.202403191241-0
 4.15.6 / 415.92.202403270524-0
@@ -387,6 +389,7 @@
 4.16.5 / 416.94.202407231922-0
 4.16.6 / 416.94.202407251849-0
 4.16.7 / 416.94.202408062045-0
+4.16.8 / 416.94.202408132101-0
 4.17.0-ec.0 / 417.94.202405311348-0
 4.17.0-ec.1 / 417.94.202406050030-0
 4.17.0-ec.2 / 417.94.202407131620-0