feat: enable content-redaction on 10 agentic workflows

Co-authored-by: pelikhan <4175913+pelikhan@users.noreply.github.com>

Author: Copilot

.github/workflows/approach-validator.lock.yml

@@ -44,6 +44,7 @@ safe-outputs:
     max: 1
     allowed: ["awaiting-approach-approval", "approach-approved", "approach-rejected"]
   noop:
+  content-redaction: "Do not disclose security vulnerabilities, internal credentials, or confidential information in public-facing output."
   messages:
     footer: "> 🔬 *Approach validated by [{workflow_name}]({run_url})*{ai_credits_suffix}{history_link}"
     run-started: "🔬 [{workflow_name}]({run_url}) is analyzing the proposed approach on this {event_type}..."