Update rhcos-table.md

Signed-off-by: GitHub <noreply@github.com>
Signed-off-by: Paul Bastide <pbastide@us.ibm.com>

Author: yussufsh

docs/rhcos-table.md

@@ -1,7 +1,7 @@
 | OCP Version | RHCOS Image File Name |
 | ----------- | --------------------- |
-| 4.20 | rhcos-9-6-20250321-0-ppc64le-powervs.ova.gz |
-| 4.19 | rhcos-9-6-20250321-0-ppc64le-powervs.ova.gz |
+| 4.20 | rhcos-9-6-20250402-0-ppc64le-powervs.ova.gz |
+| 4.19 | rhcos-9-6-20250402-0-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 |
 | 4.16 | rhcos-416-94-202501270445-0-ppc64le-powervs.ova.gz |