fix: increase smoke-services timeout from 5 to 15 minutes

The agent was timing out at 5 minutes with Redis + PostgreSQL services.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: lpcox

.github/workflows/smoke-services.lock.yml

@@ -39,7 +39,7 @@ safe-outputs:
       run-started: "🔌 [{workflow_name}]({run_url}) is testing service connectivity for this {event_type}..."
       run-success: "🔌 [{workflow_name}]({run_url}) — All services reachable! ✅"
       run-failure: "🔌 [{workflow_name}]({run_url}) — Service connectivity {status} ⚠️"
-timeout-minutes: 5
+timeout-minutes: 15
 strict: true
 post-steps:
   - name: Validate safe outputs were invoked