Bump galaxy.yml version to 2.26.2 (#13167)

Signed-off-by: Kay Yan <kay.yan@daocloud.io>

galaxy.yml

@@ -2,7 +2,7 @@
 namespace: kubernetes_sigs
 description: Deploy a production ready Kubernetes cluster
 name: kubespray
-version: 2.26.1
+version: 2.26.2
 readme: README.md
 authors:
   - The Kubespray maintainers (https://kubernetes.slack.com/channels/kubespray)