Missing log4j policy (elastic#123360) (elastic#123368)

Author: ldematte

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

@@ -222,7 +222,10 @@ private static PolicyManager createPolicyManager() {
                 "org.apache.lucene.misc",
                 List.of(new FilesEntitlement(List.of(FileData.ofRelativePath(Path.of(""), DATA, READ_WRITE))))
             ),
-            new Scope("org.apache.logging.log4j.core", List.of(new ManageThreadsEntitlement())),
+            new Scope(
+                "org.apache.logging.log4j.core",
+                List.of(new ManageThreadsEntitlement(), new FilesEntitlement(List.of(FileData.ofPath(bootstrapArgs.logsDir(), READ_WRITE))))
+            ),
             new Scope(
                 "org.elasticsearch.nativeaccess",
                 List.of(