Update 2020-07-02.md (#442)

Author: andimarek

agendas/2020-07-02.md

@@ -33,6 +33,7 @@ agenda, edit this file.*
 | Liliana Matos            | 1stdibs                  | New York, NY, US
 | Michael Staib            | ChilliCream              | Zurich, CH
 | Jason Kuhrt              | Nexus                    | Montreal, QC, CA
+| Andi Marek              | GraphQL-Java                    | Sydney, Australien
 | *ADD YOUR NAME ABOVE TO ATTEND*
 
 
@@ -71,4 +72,5 @@ Example agenda item:
    - [Changing `isFinal` to `hasNext`](https://github.com/graphql/graphql-spec/pull/742/files#diff-5090b88632c0e12fdb832692da5c63edR71)
    - [First draft of spec edits](https://github.com/graphql/graphql-spec/pull/742)
    - [GraphQL.js PR](https://github.com/graphql/graphql-js/pull/2319)
+1. GraphQL custom Scalar PR in spec: https://github.com/graphql/graphql-spec/pull/649
 1. *ADD YOUR AGENDA ABOVE*