Upgrade to DGS codegen 8.4.3

Closes gh-1442

Author: bclozel

platform/build.gradle

@@ -34,7 +34,7 @@ dependencies {
 		api("jakarta.persistence:jakarta.persistence-api:3.2.0")
 
 		api("com.apollographql.federation:federation-graphql-java-support:6.0.0")
-		api("com.netflix.graphql.dgs.codegen:graphql-dgs-codegen-shared-core:8.1.0")
+		api("com.netflix.graphql.dgs.codegen:graphql-dgs-codegen-shared-core:8.4.3")
 
 		api("org.apache.tomcat.embed:tomcat-embed-el:11.0.10")