chore: secrets scanning channel (#265)

Change secrets scanning channel

-- 
Committed by prodsec-tools-v2 using octopilot

Author: wayne-grant

.circleci/config.yml

@@ -114,7 +114,7 @@ workflows:
           name: Scan repository for secrets
           context:
             - snyk-bot-slack
-          channel: os-team-managed-alerts
+          channel: snyk-vuln-alerts-sca
           filters:
             branches:
               ignore: