[18-stable] Update default images for 18-stable

Author: ospk8s-branching-bot[bot]

config/operator/default_images.yaml

@@ -12,9 +12,9 @@ spec:
       - name: operator
         env:
         - name: RELATED_IMAGE_AGENT_IMAGE_URL_DEFAULT
-          value: quay.io/openstack-k8s-operators/openstack-baremetal-operator-agent:latest
+          value: quay.io/openstack-k8s-operators/openstack-baremetal-operator-agent:18-stable-latest
         - name: RELATED_IMAGE_ANSIBLEEE_IMAGE_URL_DEFAULT
-          value: quay.io/openstack-k8s-operators/openstack-ansibleee-runner:latest
+          value: quay.io/openstack-k8s-operators/openstack-ansibleee-runner:18-stable-latest
         - name: RELATED_IMAGE_AODH_API_IMAGE_URL_DEFAULT
           value: quay.io/podified-antelope-centos9/openstack-aodh-api:current-podified
         - name: RELATED_IMAGE_AODH_EVALUATOR_IMAGE_URL_DEFAULT
@@ -197,4 +197,4 @@ spec:
         - name: TEST_HORIZONTEST_IMAGE_URL_DEFAULT
           value: quay.io/podified-antelope-centos9/openstack-horizontest:current-podified
         - name: RELATED_IMAGE_OPENSTACK_MUST_GATHER_DEFAULT
-          value: quay.io/openstack-k8s-operators/openstack-must-gather:latest
+          value: quay.io/openstack-k8s-operators/openstack-must-gather:18-stable-latest