Revert "Remove 7.0.2 (elastic#42282)"

This reverts commit aac7473.

Author: henningandersen

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

@@ -102,6 +102,8 @@ public class Version implements Comparable<Version>, ToXContentFragment {
     public static final Version V_7_0_0 = new Version(V_7_0_0_ID, org.apache.lucene.util.Version.LUCENE_8_0_0);
     public static final int V_7_0_1_ID = 7000199;
     public static final Version V_7_0_1 = new Version(V_7_0_1_ID, org.apache.lucene.util.Version.LUCENE_8_0_0);
+    public static final int V_7_0_2_ID = 7000299;
+    public static final Version V_7_0_2 = new Version(V_7_0_2_ID, org.apache.lucene.util.Version.LUCENE_8_0_0);
     public static final int V_7_1_0_ID = 7010099;
     public static final Version V_7_1_0 = new Version(V_7_1_0_ID, org.apache.lucene.util.Version.LUCENE_8_0_0);
     public static final int V_7_1_1_ID = 7010199;
@@ -132,6 +134,8 @@ public static Version fromId(int id) {
                 return V_7_1_1;
             case V_7_1_0_ID:
                 return V_7_1_0;
+            case V_7_0_2_ID:
+                return V_7_0_2;
             case V_7_0_1_ID:
                 return V_7_0_1;
             case V_7_0_0_ID: