[7.6] Add 7.6.2 as version (#53112)

Author: ywelsch

.ci/bwcVersions

@@ -54,3 +54,4 @@ BWC_VERSION:
   - "7.5.1"
   - "7.5.2"
   - "7.6.0"
+  - "7.6.1"

buildSrc/version.properties

@@ -1,4 +1,4 @@
-elasticsearch     = 7.6.1
+elasticsearch     = 7.6.2
 lucene            = 8.4.0
 
 bundled_jdk_vendor = adoptopenjdk

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

@@ -130,7 +130,8 @@ public class Version implements Comparable<Version>, ToXContentFragment {
     public static final Version V_7_5_2 = new Version(7050299, org.apache.lucene.util.Version.LUCENE_8_3_0);
     public static final Version V_7_6_0 = new Version(7060099, org.apache.lucene.util.Version.LUCENE_8_4_0);
     public static final Version V_7_6_1 = new Version(7060199, org.apache.lucene.util.Version.LUCENE_8_4_0);
-    public static final Version CURRENT = V_7_6_1;
+    public static final Version V_7_6_2 = new Version(7060299, org.apache.lucene.util.Version.LUCENE_8_4_0);
+    public static final Version CURRENT = V_7_6_2;
 
     private static final ImmutableOpenIntMap<Version> idToVersion;