update openapi generator

Author: l-trotta

compiler-rs/clients_schema_to_openapi/src/paths.rs

@@ -366,6 +366,12 @@ pub fn add_endpoint(
                         }));
                     }
                 }
+                if let Some(alternative_java) = example.alternative_java.clone() {
+                    code_samples.push(serde_json::json!({
+                        "lang": "java",
+                        "source": alternative_java.code.as_str(),
+                    }));
+                }
             }
         }
         if !code_samples.is_empty() {