Merge pull request #6864 from aladewberry/patch-1

Adding sig-security-assessments Slack Channel!

Author: k8s-ci-robot

communication/slack-config/sig-security/config.yaml

@@ -3,4 +3,4 @@ channels:
   - name: sig-security-assess-capi
   - name: sig-security-docs
   - name: sig-security-tooling
-
+  - name: sig-security-assessments