[AUTO] [main] Add bwc version 2.16.1. (opensearch-project#15160)

* Add bwc version 2.16.1

Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* Update Version.java

Signed-off-by: Andriy Redko <andriy.redko@aiven.io>

---------

Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Signed-off-by: Andriy Redko <andriy.redko@aiven.io>
Co-authored-by: opensearch-ci-bot <83309141+opensearch-ci-bot@users.noreply.github.com>
Co-authored-by: Andriy Redko <andriy.redko@aiven.io>

Author: 3 people

.ci/bwcVersions

@@ -36,4 +36,5 @@ BWC_VERSION:
   - "2.15.0"
   - "2.15.1"
   - "2.16.0"
+  - "2.16.1"
   - "2.17.0"

libs/core/src/main/java/org/opensearch/Version.java

@@ -107,6 +107,7 @@ public class Version implements Comparable<Version>, ToXContentFragment {
     public static final Version V_2_15_0 = new Version(2150099, org.apache.lucene.util.Version.LUCENE_9_10_0);
     public static final Version V_2_15_1 = new Version(2150199, org.apache.lucene.util.Version.LUCENE_9_10_0);
     public static final Version V_2_16_0 = new Version(2160099, org.apache.lucene.util.Version.LUCENE_9_11_1);
+    public static final Version V_2_16_1 = new Version(2160199, org.apache.lucene.util.Version.LUCENE_9_11_1);
     public static final Version V_2_17_0 = new Version(2170099, org.apache.lucene.util.Version.LUCENE_9_11_1);
     public static final Version V_3_0_0 = new Version(3000099, org.apache.lucene.util.Version.LUCENE_9_12_0);
     public static final Version CURRENT = V_3_0_0;