Add another release note

Author: sjberman

CHANGELOG.md

@@ -22,8 +22,10 @@ BUG FIXES:
 
 HELM CHART:
 
+- Allow disabling cert-generator with a Helm value. [4186](https://github.com/nginx/nginx-gateway-fabric/pull/4186). Thanks to [fabian4](https://github.com/fabian4)
 - The version of the Helm chart is now 2.2.1
 
+
 KNOWN ISSUES:
 
 - Data plane sometimes does not sync upstream server IPs. [3626](https://github.com/nginx/nginx-gateway-fabric/issues/3626)