cri-o version must match the k8 version (kubernetes#19092)

* cri-o version must match the k8 version

It's not clear from the doc that the cri-o version must match the k8 version as shown in the cri-o compatibility matrix.

* changed to note shortcode for cri-o compat matrix - fix author

content/en/docs/setup/production-environment/container-runtimes.md

@@ -162,6 +162,11 @@ This section contains the necessary steps to install `CRI-O` as CRI runtime.
 
 Use the following commands to install CRI-O on your system:
 
+{{< note >}}
+The CRI-O major and minor versions must match the Kubernetes major and minor versions.
+For more information, see the [CRI-O compatiblity matrix](https://github.com/cri-o/cri-o).
+{{< /note >}}
+
 ### Prerequisites
 
 ```shell