docs: link contribution monitor review update

Author: kmishra1204

docs/PUBLIC_REVIEW_PACKET.md

@@ -116,6 +116,7 @@ The contribution monitoring protocol explains how open PRs, human-only gates, ma
 
 ## Current Public Review Links
 
+- v0.5.21 contribution monitor review update: https://github.com/kmishra1204/agentic-enterprise-readiness-profile/issues/6#issuecomment-4884760432
 - Focused review update: https://github.com/kmishra1204/agentic-enterprise-readiness-profile/issues/4#issuecomment-4884689614
 - Adoption trial update: https://github.com/kmishra1204/agentic-enterprise-readiness-profile/issues/5#issuecomment-4884689615
 - External reviewer kickoff: https://github.com/kmishra1204/agentic-enterprise-readiness-profile/issues/6#issuecomment-4884689621