[Backport] [2.18] Update Apache Lucene to 9.12.1 (#16846) (#16870) (#16876)

* Update Apache Lucene to 9.12.1 (#16846)

Signed-off-by: Andriy Redko <andriy.redko@aiven.io>
(cherry picked from commit bc4f44b)

* Added bwc version 1.3.21 (#16845)

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>

---------

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>
(cherry picked from commit 97f6d84)

Author: reta

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

@@ -143,7 +143,7 @@ public class Version implements Comparable<Version>, ToXContentFragment {
     public static final Version V_2_17_1 = new Version(2170199, org.apache.lucene.util.Version.LUCENE_9_11_1);
     public static final Version V_2_17_2 = new Version(2170299, org.apache.lucene.util.Version.LUCENE_9_11_1);
     public static final Version V_2_18_0 = new Version(2180099, org.apache.lucene.util.Version.LUCENE_9_12_0);
-    public static final Version V_2_18_1 = new Version(2180199, org.apache.lucene.util.Version.LUCENE_9_12_0);
+    public static final Version V_2_18_1 = new Version(2180199, org.apache.lucene.util.Version.LUCENE_9_12_1);
     public static final Version V_2_19_0 = new Version(2190099, org.apache.lucene.util.Version.LUCENE_9_12_1);
     public static final Version CURRENT = V_2_19_0;