Update topology flavors and name

topology.yml

-name: image-testing-topology
+name: rocky-8-testing-topology
 
 hosts:
   - name: image-test
     base_box: 
       image: IMAGE_NAME
       mgmt_user: centos
-    flavor: csirtmu.tiny1x2
+    flavor: standard.small
 
 routers:
   - name: router
     base_box:
       image: debian-10
       mgmt_user: debian
-    flavor: csirtmu.tiny1x2
+    flavor: standard.small
 
 networks:
   - name: network