chore: add suse repos

Author: gsanchezgavier

test/provision/terraform/install-requirements.yml

@@ -6,6 +6,8 @@
   vars:
     instances_requiring_opensuse_repos:
       "sles-15.2": http://download.opensuse.org/distribution/leap/15.2/repo/oss/
+      "sles-15.3": http://download.opensuse.org/distribution/leap/15.3/repo/oss/
+      "sles-15.4": http://download.opensuse.org/distribution/leap/15.4/repo/oss/
 
   tasks:
     - name: Remove EOL repository sources