fix(k8s): fix wording

Author: bene2k1

pages/kubernetes/reference-content/version-support-policy.mdx

@@ -64,7 +64,7 @@ When a minor version becomes unsupported, Scaleway operates an upgrade to the la
 
 <Message type="important">
 Scaleway's support window for Kubernetes releases is 14 months.
-Versions prior 1.30 are no longer supported. Please upgrade your clusters to a supported version.
+Versions prior 1.27 are no longer supported. Please upgrade your clusters to a supported version.
 </Message>
 
 ## Version information