Automatic merge from submit-queue (batch tested with PRs 55925, 55999, 55944, 55992, 56196). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.
Fix version indication for ServiceNodeExclusion
**What this PR does / why we need it**:
The `ServiceNodeExclusion` feature gate didn't make it into v1.8.
This PR fixes the comment to avoid confusion for future maintenance.
**Which issue(s) this PR fixes**:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```