Publish PVS image for k8s 1.25.6 version (#1146)

Signed-off-by: Prajyot-Parab <[email protected]>

Author: Prajyot-Parab

docs/book/src/machine-images/powervs.md

@@ -3,13 +3,15 @@
 
 | Region   | Bucket           | Object                                                          | Kubernetes Version |
 |----------|------------------|-----------------------------------------------------------------|--------------------|
+| us-south | power-oss-bucket | [capibm-powervs-centos-streams8-1-25-6.ova.gz][streams8-1-25-6] | 1.25.6             |
 | us-south | power-oss-bucket | [capibm-powervs-centos-streams8-1-25-1.ova.gz][streams8-1-25-1] | 1.25.1             |
 | us-south | power-oss-bucket | [capibm-powervs-centos-streams8-1-24-2.ova.gz][streams8-1-24-2] | 1.24.2             |
 | us-south | power-oss-bucket | [capibm-powervs-centos-streams8-1-23-5.ova.gz][streams8-1-23-5] | 1.23.5             |
 | us-south | power-oss-bucket | [capibm-powervs-centos-streams8-1-22-4.ova.gz][streams8-1-22-4] | 1.22.4             |
 
 Note: These images are built using the [image-builder][image-builder] tool and more information can be found [here](../developer/build-images.md#power-vs)
 
+[streams8-1-25-6]: https://power-oss-bucket.s3.us-south.cloud-object-storage.appdomain.cloud/capibm-powervs-centos-streams8-1-25-6.ova.gz
 [streams8-1-25-1]: https://power-oss-bucket.s3.us-south.cloud-object-storage.appdomain.cloud/capibm-powervs-centos-streams8-1-25-1.ova.gz
 [streams8-1-24-2]: https://power-oss-bucket.s3.us-south.cloud-object-storage.appdomain.cloud/capibm-powervs-centos-streams8-1-24-2.ova.gz
 [streams8-1-23-5]: https://power-oss-bucket.s3.us-south.cloud-object-storage.appdomain.cloud/capibm-powervs-centos-streams8-1-23-5.ova.gz