Enable skippers on @timestamp and host.name fields in LogsDB

docs/changelog/134221.yaml

@@ -0,0 +1,5 @@
+pr: 134221
+summary: Enable skippers on `@timestamp` and `host.name` fields in LogsDB
+area: Logs
+type: feature
+issues: []

server/src/main/java/org/elasticsearch/index/IndexSettings.java

@@ -680,7 +680,7 @@ public boolean isES87TSDBCodecEnabled() {
     public static final boolean DOC_VALUES_SKIPPER = new FeatureFlag("doc_values_skipper").isEnabled();
     public static final Setting<Boolean> USE_DOC_VALUES_SKIPPER = Setting.boolSetting(
         "index.mapping.use_doc_values_skipper",
-        false,
+        true,
         Property.IndexScope,
         Property.Final
     );