Merge pull request #555 from ocp-power-automation/image-patches

Update for RHCOS image file names

Author: ppc64le-cloud-bot

docs/rhcos-table.md

@@ -1,9 +1,10 @@
 | OCP Version | RHCOS Image File Name |
 | ----------- | --------------------- |
+| 4.21 | rhcos-9-6-20250701-0-ppc64le-powervs.ova.gz |
 | 4.20 | rhcos-9-6-20250701-0-ppc64le-powervs.ova.gz |
 | 4.19 | rhcos-9-6-20250523-0-ppc64le-powervs.ova.gz |
-| 4.18 | rhcos-418-94-202501221327-0-ppc64le-powervs.ova.gz |
-| 4.17 | rhcos-417-94-202501301529-0-ppc64le-powervs.ova.gz |
+| 4.18 | rhcos-418-94-202508060022-0-ppc64le-powervs.ova.gz |
+| 4.17 | rhcos-417-94-202507291008-0-ppc64le-powervs.ova.gz |
 | 4.16 | rhcos-416-94-202501270445-0-ppc64le-powervs.ova.gz |
 | 4.15 | rhcos-415-92-202407091355-0-ppc64le-powervs.ova.gz |
 | 4.14 | rhcos-414-92-202407091253-0-ppc64le-powervs.ova.gz |