promote kep 4396 into implementable

Author: HirazawaUi

keps/sig-node/4369-allow-special-characters-environment-variable/README.md

@@ -169,10 +169,12 @@ These tests will be added:
 
 - Solicit feedback from the Alpha.
 - Ensure tests are stable and passing.
+- Add monitor for pods that fail due to using enhancements.
 
 #### GA
 
-- No issues reported during two releases.
+- Ensure that the time range of the beta version can cover the version skew of all components.
+- Add troubleshooting details on how to deal with incompatible kubelet/CRI implementations based on issues found in beta releases.
 
 ### Upgrade / Downgrade Strategy
 
@@ -240,7 +242,7 @@ No.
 
 ### Monitoring Requirements
 
-- N/A
+- We will investigate in the beta version how to monitor kubelet/CRI implementations could fail on pods using this enhancement.
 
 ### Dependencies
 

keps/sig-node/4369-allow-special-characters-environment-variable/kep.yaml

@@ -5,12 +5,11 @@ authors:
 owning-sig: sig-node
 participating-sigs:
   - sig-api-machinery
-status: provisional
+status: implementable
 creation-date: 2023-12-21
 reviewers:
   - "@liggitt"
   - "@thockin"
-  - TBD
 approvers:
   - "@liggitt"
   - "@thockin"
@@ -29,6 +28,8 @@ latest-milestone: "v1.30"
 # The milestone at which this feature was, or is targeted to be, at each stage.
 milestone:
   alpha: "v1.30"
+  beta: "v1.32"
+  stable: "v1.36"
 
 # The following PRR answers are required at alpha release
 # List the feature gate name and the components for which it must be enabled