Stop using Jacksons deprecated serializationInclusion

Use the recommended `defaultPropertyInclusion` instead.

Author: mpkorstanje

cucumber-core/src/main/java/io/cucumber/core/plugin/Jackson.java

@@ -9,10 +9,14 @@
 import com.fasterxml.jackson.databind.json.JsonMapper;
 import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;
 
+import static com.fasterxml.jackson.annotation.JsonInclude.Value.construct;
+
 final class Jackson {
     public static final ObjectMapper OBJECT_MAPPER = JsonMapper.builder()
             .addModule(new Jdk8Module())
-            .serializationInclusion(Include.NON_ABSENT)
+            .defaultPropertyInclusion(construct(
+                Include.NON_ABSENT,
+                Include.NON_ABSENT))
             .constructorDetector(ConstructorDetector.USE_PROPERTIES_BASED)
             .enable(SerializationFeature.WRITE_ENUMS_USING_TO_STRING)
             .enable(DeserializationFeature.READ_ENUMS_USING_TO_STRING)