fix(defaults): wrong cri_socket path for containerd (#9401)

roles/kubespray-defaults/defaults/main.yaml

@@ -290,7 +290,7 @@ cri_socket: >-
   {%- if container_manager == 'crio' -%}
   unix:///var/run/crio/crio.sock
   {%- elif container_manager == 'containerd' -%}
-  unix:////var/run/containerd/containerd.sock
+  unix:///var/run/containerd/containerd.sock
   {%- elif container_manager == 'docker' -%}
   unix:///var/run/cri-dockerd.sock
   {%- endif -%}