Fix the usage of skew shortcode in the version-skew-policy page.

Author: shuuji3

content/en/docs/setup/release/version-skew-policy.md

@@ -158,4 +158,4 @@ Example:
 If `kube-proxy` version is **{{< skew latestVersion >}}**:
 
 * `kubelet` version must be at the same minor version as **{{< skew latestVersion >}}**.
-* `kube-apiserver` version must be between **{{ skew oldestMinorVersion }}** and **{{ skew latestVersion }}**, inclusive.
+* `kube-apiserver` version must be between **{{< skew oldestMinorVersion >}}** and **{{< skew latestVersion >}}**, inclusive.