Add CCN to the 08/03 agenda (#1357)

Author: calvincestari

agendas/2023/08-Aug/03-wg-primary.md

@@ -103,6 +103,7 @@ hold additional secondary meetings later in the month.
 | :--------------- | :------------ | :----------------- | :-------------------- |
 | Lee Byron (Host) | @leebyron     | GraphQL Foundation | San Francisco, CA, US |
 | Alex Reilly | @twof     | Pronto.ai | San Francisco, CA, US |
+| Calvin Cestari | @calvincestari | Apollo | Vancouver, BC, CA |
 
 
 ## Agenda
@@ -122,3 +123,4 @@ hold additional secondary meetings later in the month.
    - [Ready for review](https://github.com/graphql/graphql-wg/issues?q=is%3Aissue+is%3Aopen+label%3A%22Ready+for+review+%F0%9F%99%8C%22+sort%3Aupdated-desc)
    - [All open action items (by last update)](https://github.com/graphql/graphql-wg/issues?q=is%3Aissue+is%3Aopen+label%3A%22Action+item+%3Aclapper%3A%22+sort%3Aupdated-desc)
    - [All open action items (by meeting)](https://github.com/graphql/graphql-wg/projects?query=is%3Aopen+sort%3Aname-asc)
+1. Update on Client Controlled Nullability proposal (15m, Calvin)