Add 6.5.2 version

server/src/main/java/org/elasticsearch/Version.java

@@ -109,6 +109,8 @@ public class Version implements Comparable<Version>, ToXContentFragment {
     public static final Version V_6_5_0 = new Version(V_6_5_0_ID, org.apache.lucene.util.Version.LUCENE_7_5_0);
     public static final int V_6_5_1_ID = 6050199;
     public static final Version V_6_5_1 = new Version(V_6_5_1_ID, org.apache.lucene.util.Version.LUCENE_7_5_0);
+    public static final int V_6_5_2_ID = 6050299;
+    public static final Version V_6_5_2 = new Version(V_6_5_2_ID, org.apache.lucene.util.Version.LUCENE_7_5_0);
     public static final int V_6_6_0_ID = 6060099;
     public static final Version V_6_6_0 = new Version(V_6_6_0_ID, org.apache.lucene.util.Version.LUCENE_7_6_0);
     public static final int V_7_0_0_ID = 7000099;
@@ -131,6 +133,8 @@ public class Version implements Comparable<Version>, ToXContentFragment {
                 return V_7_0_0;
             case V_6_6_0_ID:
                 return V_6_6_0;
+            case V_6_5_2_ID:
+                return V_6_5_2;
             case V_6_5_1_ID:
                 return V_6_5_1;
             case V_6_5_0_ID: