[DOCS][ESQL] Update and regenerate TO_AGGREGATE_METRIC_DOUBLE and TO_DENSE_VECTOR as preview in 9.2.0 (#137740)

Author: leemthompo

docs/reference/query-languages/esql/_snippets/functions/layout/to_aggregate_metric_double.md

@@ -68,12 +68,13 @@ public class ToAggregateMetricDouble extends AbstractConvertFunction {
     );
 
     @FunctionInfo(
+        preview = true,
         returnType = "aggregate_metric_double",
         description = "Encode a numeric to an aggregate_metric_double.",
         examples = {
             @Example(file = "convert", tag = "toAggregateMetricDouble"),
             @Example(description = "The expression also accepts multi-values", file = "convert", tag = "toAggregateMetricDoubleMv") },
-        appliesTo = { @FunctionAppliesTo(lifeCycle = FunctionAppliesToLifecycle.COMING) }
+        appliesTo = { @FunctionAppliesTo(lifeCycle = FunctionAppliesToLifecycle.PREVIEW, version = "9.2.0") }
     )
     public ToAggregateMetricDouble(
         Source source,

docs/reference/query-languages/esql/_snippets/functions/layout/to_dense_vector.md

@@ -15,6 +15,8 @@
 import org.elasticsearch.xpack.esql.core.tree.Source;
 import org.elasticsearch.xpack.esql.core.type.DataType;
 import org.elasticsearch.xpack.esql.expression.function.Example;
+import org.elasticsearch.xpack.esql.expression.function.FunctionAppliesTo;
+import org.elasticsearch.xpack.esql.expression.function.FunctionAppliesToLifecycle;
 import org.elasticsearch.xpack.esql.expression.function.FunctionInfo;
 import org.elasticsearch.xpack.esql.expression.function.Param;
 
@@ -50,7 +52,8 @@ public class ToDenseVector extends AbstractConvertFunction {
         returnType = "dense_vector",
         description = "Converts a multi-valued input of numbers, or a hexadecimal string, to a dense_vector.",
         preview = true,
-        examples = @Example(file = "dense_vector", tag = "to_dense_vector-ints")
+        examples = @Example(file = "dense_vector", tag = "to_dense_vector-ints"),
+        appliesTo = { @FunctionAppliesTo(lifeCycle = FunctionAppliesToLifecycle.PREVIEW, version = "9.2.0") }
     )
     public ToDenseVector(
         Source source,