Fix ALLOW_AUTO_CREATE_VERSION after backport (#64670)

Fixes the serialization version after backport of #64208

Author: imotov

server/src/main/java/org/elasticsearch/cluster/metadata/ComposableIndexTemplate.java

@@ -56,7 +56,7 @@ public class ComposableIndexTemplate extends AbstractDiffable<ComposableIndexTem
     private static final ParseField DATA_STREAM = new ParseField("data_stream");
     private static final ParseField ALLOW_AUTO_CREATE = new ParseField("allow_auto_create");
 
-    private static final Version ALLOW_AUTO_CREATE_VERSION = Version.V_8_0_0;
+    private static final Version ALLOW_AUTO_CREATE_VERSION = Version.V_7_11_0;
 
     @SuppressWarnings("unchecked")
     public static final ConstructingObjectParser<ComposableIndexTemplate, Void> PARSER = new ConstructingObjectParser<>("index_template",