CentOS Stream 8: switch default seed VM image

Change-Id: I8d3d51ea25459f1831ac75a062cd8e7c54204de4
Story: 2008795
Task: 42216

ansible/group_vars/all/seed-vm

@@ -41,7 +41,7 @@ seed_vm_root_capacity: 50G
 seed_vm_root_format: qcow2
 
 # Base image for the seed VM root volume.
-seed_vm_root_image: "https://cloud.centos.org/centos/8/x86_64/images/CentOS-8-GenericCloud-8.3.2011-20201204.2.x86_64.qcow2"
+seed_vm_root_image: "https://cloud.centos.org/centos/8-stream/x86_64/images/CentOS-Stream-GenericCloud-8-20210210.0.x86_64.qcow2"
 
 # Capacity of the seed VM data volume.
 seed_vm_data_capacity: 100G

etc/kayobe/seed-vm.yml

@@ -24,7 +24,7 @@
 #seed_vm_root_format:
 
 # Base image for the seed VM root volume. Default is
-# "https://cloud.centos.org/centos/8/x86_64/images/CentOS-8-GenericCloud-8.3.2011-20201204.2.x86_64.qcow2".
+# "https://cloud.centos.org/centos/8-stream/x86_64/images/CentOS-Stream-GenericCloud-8-20210210.0.x86_64.qcow2"
 #seed_vm_root_image:
 
 # Capacity of the seed VM data volume.