Update RHCOS to OCP version map (#2212)

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

cnf-certification-test/platform/operatingsystem/files/rhcos_version_map

@@ -341,6 +341,7 @@
 4.15.18 / 415.92.202406111137-0
 4.15.19 / 415.92.202406190406-0
 4.15.2 / 415.92.202403061641-0
+4.15.20 / 415.92.202406251950-0
 4.15.3 / 415.92.202403080220-0
 4.15.5 / 415.92.202403191241-0
 4.15.6 / 415.92.202403270524-0
@@ -363,6 +364,7 @@
 4.16.0-rc.5 / 416.94.202406140350-0
 4.16.0-rc.6 / 416.94.202406172220-0
 4.16.0-rc.9 / 416.94.202406172220-0
+4.16.1 / 416.94.202406251923-0
 4.17.0-ec.0 / 417.94.202405311348-0
 4.4.0 / 44.81.202004260825-0
 4.4.0-rc.0 / 44.81.202003110830-0