New CIS Benchmarks certification (#12707)

Author: zhumo

handbook/product/README.md

@@ -290,6 +290,9 @@ Every week, a member of the product team (as determined in the [rituals](#ritual
 
 If there are changes, the DRI should send a message in the #help-product Slack channel, noting the current versions and whether any of the above has changed.
 
+### New CIS benchmarks
+When we create new CIS benchmarks, also submit the new CIS benchmark set to CIS for [certification](https://www.cisecurity.org/cis-securesuite/pricing-and-categories/product-vendor/cis-benchmark-assessment#:~:text=In%20order%20to%20incorporate%20and,recommendations%20in%20the%20associated%20CIS). 
+
 ## Rituals
 
 Directly Responsible Individuals (DRI) engage in the ritual(s) below at the frequency specified.