CI: Switch centos 10 nodeset to centos 10

9 was used as an interim solution when OpenDev did not support it.

Change-Id: If6101d99c216a9b1142bfdf194f7a053730e28da
Signed-off-by: Michal Nasiadka <mnasiadka@gmail.com>

.zuul.d/base.yaml

@@ -53,13 +53,13 @@
     name: kolla-centos-10-stream
     nodes:
       - name: primary
-        label: nested-virt-centos-9-stream
+        label: centos-10-stream-8GB
 
 - nodeset:
     name: kolla-centos-10-stream-aarch64
     nodes:
       - name: primary
-        label: centos-9-stream-arm64
+        label: centos-10-stream-arm64-8GB
 
 - nodeset:
     name: kolla-rockylinux-9