Adding ES|QL RERANK command in snapshot builds (#123074)

Author: afoucret

docs/changelog/123074.yaml

@@ -0,0 +1,5 @@
+pr: 123074
+summary: Adding ES|QL Reranker command in snapshot builds
+area: Ranking
+type: feature
+issues: []

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/inference/action/InferenceAction.java

@@ -64,6 +64,10 @@ public static class Request extends BaseInferenceActionRequest {
         public static final ParseField TOP_N = new ParseField("top_n");
         public static final ParseField TIMEOUT = new ParseField("timeout");
 
+        public static Builder builder(String inferenceEntityId, TaskType taskType) {
+            return new Builder().setInferenceEntityId(inferenceEntityId).setTaskType(taskType);
+        }
+
         static final ObjectParser<Request.Builder, Void> PARSER = new ObjectParser<>(NAME, Request.Builder::new);
         static {
             PARSER.declareStringArray(Request.Builder::setInput, INPUT);