Fix feature gate for EventedPLEG in v1.30

Author: tengqm

content/en/docs/reference/command-line-tools-reference/feature-gates/evented-pleg.md

@@ -8,11 +8,7 @@ _build:
 stages:
   - stage: alpha
     defaultValue: false
-    fromVersion: "1.26"
-    toVersion: "1.26"
-  - stage: beta
-    defaultValue: false
-    fromVersion: "1.27"
+    fromVersion: "1.25"
 ---
 Enable support for the kubelet to receive container life cycle events from the
 {{< glossary_tooltip text="container runtime" term_id="container-runtime" >}} via