Update HelloController in test-nima with correct path parameter

Author: rbygrave

tests/test-nima-jsonb/src/main/java/org/example/HelloController.java

@@ -60,7 +60,7 @@ Person person(String name) {
     return new Person(42, name + " hello");
   }
 
-  @Get("person/{long}")
+  @Get("person/{id}")
   Person testLong(long id) {
     return new Person(id, "Giorno hello");
   }