Update Apache Lucene version for 2.18.0 (opensearch-project#16252)

Signed-off-by: Andriy Redko <[email protected]>

Author: reta

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

@@ -111,7 +111,7 @@ public class Version implements Comparable<Version>, ToXContentFragment {
     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_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_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_3_0_0 = new Version(3000099, org.apache.lucene.util.Version.LUCENE_9_12_0);
     public static final Version CURRENT = V_3_0_0;