Doc: Update supported versions for Caracal

Change-Id: I8e2a3529ce076465c631244c45e85b0edbc0675b

Author: waipeng

doc/source/user/index.rst

@@ -1556,6 +1556,8 @@ The supported (tested) versions of Kubernetes and Operating Systems are:
 +-------------------+-------------------+-------------------------------+
 | Release           | kube_tag          | os distro and version         |
 +===================+===================+===============================+
+| 18.0.0 (Caracal)  | v1.27.8-rancher2  | fedora-coreos-38.20230806.3.0 |
++-------------------+-------------------+-------------------------------+
 | 17.0.0 (Bobcat)   | v1.26.8-rancher1  | fedora-coreos-38.20230806.3.0 |
 +-------------------+-------------------+-------------------------------+
 | 16.0.0 (Antelope) | v1.23.3-rancher1  | fedora-coreos-35.20220116.3.0 |
@@ -1586,11 +1588,18 @@ Supported labels
 
 The tested labels for each release is as follow
 
+- Caracal
+
+  kube_tag=v1.27.8-rancher2,container_runtime=containerd,containerd_version=1.6.28,containerd_tarball_sha256=f70736e52d61e5ad225f4fd21643b5ca1220013ab8b6c380434caeefb572da9b,cloud_provider_tag=v1.27.3,cinder_csi_plugin_tag=v1.27.3,k8s_keystone_auth_tag=v1.27.3,magnum_auto_healer_tag=v1.27.3,octavia_ingress_controller_tag=v1.27.3,calico_tag=v3.26.4
+
 - Bobcat
+
   kube_tag=v1.25.9-rancher1,flannel_tag=v0.21.5,master_lb_floating_ip_enabled=true,cinder_csi_enabled=true,ingress_controller=octavia,container_runtime=containerd,containerd_version=1.6.20,containerd_tarball_sha256=1d86b534c7bba51b78a7eeb1b67dd2ac6c0edeb01c034cc5f590d5ccd824b416,cloud_provider_tag=v1.25.5,cinder_csi_plugin_tag=v1.25.5,k8s_keystone_auth_tag=v1.25.5,octavia_ingress_controller_tag=v1.25.5,coredns_tag=1.10.1,csi_snapshotter_tag=v6.2.1,csi_attacher_tag=v4.2.0,csi_resizer_tag=v1.7.0,csi_provisioner_tag=v3.4.1,csi_node_driver_registrar_tag=v2.8.0
+
   kube_tag=v1.26.8-rancher1,flannel_tag=v0.21.5,master_lb_floating_ip_enabled=true,cinder_csi_enabled=true,ingress_controller=octavia,container_runtime=containerd,containerd_version=1.6.20,containerd_tarball_sha256=1d86b534c7bba51b78a7eeb1b67dd2ac6c0edeb01c034cc5f590d5ccd824b416,cloud_provider_tag=v1.26.3,cinder_csi_plugin_tag=v1.26.3,k8s_keystone_auth_tag=v1.26.3,octavia_ingress_controller_tag=v1.26.3,coredns_tag=1.10.1,csi_snapshotter_tag=v6.2.1,csi_attacher_tag=v4.2.0,csi_resizer_tag=v1.7.0,csi_provisioner_tag=v3.4.1,csi_node_driver_registrar_tag=v2.8.0
 
 - Antelope
+
   kube_tag=v1.23.8-rancher1,flannel_tag=v0.18.1,master_lb_floating_ip_enabled=true,cinder_csi_enabled=true,ingress_controller=octavia,container_runtime=containerd,containerd_version=1.6.6,containerd_tarball_sha256=a64568c8ce792dd73859ce5f336d5485fcbceab15dc3e06d5d1bc1c3353fa20f,cloud_provider_tag=v1.23.4,cinder_csi_plugin_tag=v1.23.4,k8s_keystone_auth_tag=v1.23.4,magnum_auto_healer_tag=v1.23.4,octavia_ingress_controller_tag=v1.23.4,autoscaler_tag=v1.23.0,coredns_tag=1.9.3,csi_snapshotter_tag=v4.2.1,csi_attacher_tag=v3.3.0,csi_resizer_tag=v1.3.0,csi_provisioner_tag=v3.0.0,csi_node_driver_registrar_tag=v2.4.0
 
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