Add manage_threads to org.apache.lucene.core

Author: prdoyle

libs/entitlement/src/main/java/org/elasticsearch/entitlement/initialization/EntitlementInitialization.java

@@ -130,7 +130,7 @@ private static PolicyManager createPolicyManager() {
                 ),
                 new Scope("org.apache.httpcomponents.httpclient", List.of(new OutboundNetworkEntitlement())),
                 new Scope("io.netty.transport", List.of(new InboundNetworkEntitlement(), new OutboundNetworkEntitlement())),
-                new Scope("org.apache.lucene.core", List.of(new LoadNativeLibrariesEntitlement())),
+                new Scope("org.apache.lucene.core", List.of(new LoadNativeLibrariesEntitlement(), new ManageThreadsEntitlement())),
                 new Scope("org.elasticsearch.nativeaccess", List.of(new LoadNativeLibrariesEntitlement()))
             )
         );