[KEP-4639] Graduate image volume source to enabled by default (beta)

Signed-off-by: Sascha Grunert <[email protected]>

Author: saschagrunert

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

@@ -13,6 +13,10 @@ stages:
   - stage: beta
     defaultValue: false
     fromVersion: "1.33"
+    toVersion: "1.34"
+- stage: beta
+    defaultValue: true
+    fromVersion: "1.35"
 ---
 Allow using the [`image`](/docs/concepts/storage/volumes/) volume source in a Pod.
 This volume source lets you mount a container image as a read-only volume.