enh: BMA WotRequirements: fetch 'membershipPendingExpiresIn' and 'membershipExpiresIn' properties

duniter4j-core-client/src/main/java/org/duniter/core/client/model/bma/WotRequirements.java

@@ -46,6 +46,10 @@ public class WotRequirements implements Serializable {
 	private Boolean isSentry;
 	private Boolean wasMember;
 
+	private Long membershipPendingExpiresIn;
+
+	private Long membershipExpiresIn;
+
 	private Certification[] certifications;
 
 	@Data