update TOC

Author: kevindelgado

keps/sig-api-machinery/2885-server-side-unknown-field-validation/README.md

@@ -85,6 +85,8 @@ tags, and then generate with `hack/update-toc.sh`.
 - [Proposal](#proposal)
   - [Notes/Constraints/Caveats (Optional)](#notesconstraintscaveats-optional)
     - [Future Work](#future-work)
+      - [Deprecating Client Side Validation](#deprecating-client-side-validation)
+      - [Aligning json and yaml errors](#aligning-json-and-yaml-errors)
   - [Risks and Mitigations](#risks-and-mitigations)
   - [Performance Considerations](#performance-considerations)
 - [Design Details](#design-details)
@@ -99,7 +101,6 @@ tags, and then generate with `hack/update-toc.sh`.
   - [Graduation Criteria](#graduation-criteria)
     - [Alpha](#alpha)
     - [Beta](#beta)
-      - [Alpha Follow Ups](#alpha-follow-ups)
 - [Production Readiness Review Questionnaire](#production-readiness-review-questionnaire)
   - [Feature Enablement and Rollback](#feature-enablement-and-rollback)
   - [Rollout, Upgrade and Rollback Planning](#rollout-upgrade-and-rollback-planning)