Update minimal supported version and add Hugging Face transport version constants

Author: Jan-Kazlouski-elastic

server/src/main/java/org/elasticsearch/TransportVersions.java

@@ -164,6 +164,7 @@ static TransportVersion def(int id) {
     public static final TransportVersion SEARCH_INCREMENTAL_TOP_DOCS_NULL_BACKPORT_8_19 = def(8_841_0_20);
     public static final TransportVersion ML_INFERENCE_SAGEMAKER_8_19 = def(8_841_0_21);
     public static final TransportVersion ESQL_REPORT_ORIGINAL_TYPES_BACKPORT_8_19 = def(8_841_0_22);
+    public static final TransportVersion ML_INFERENCE_HUGGING_FACE_8_19 = def(8_841_0_23);
     public static final TransportVersion V_9_0_0 = def(9_000_0_09);
     public static final TransportVersion INITIAL_ELASTICSEARCH_9_0_1 = def(9_000_0_10);
     public static final TransportVersion COHERE_BIT_EMBEDDING_TYPE_SUPPORT_ADDED = def(9_001_0_00);
@@ -236,6 +237,7 @@ static TransportVersion def(int id) {
     public static final TransportVersion PINNED_RETRIEVER = def(9_068_0_00);
     public static final TransportVersion ML_INFERENCE_SAGEMAKER = def(9_069_0_00);
     public static final TransportVersion WRITE_LOAD_INCLUDES_BUFFER_WRITES = def(9_070_00_0);
+    public static final TransportVersion ML_INFERENCE_HUGGING_FACE = def(9_071_0_00);
 
     /*
      * STOP! READ THIS FIRST! No, really,

x-pack/plugin/inference/src/main/java/org/elasticsearch/xpack/inference/services/huggingface/completion/HuggingFaceChatCompletionServiceSettings.java

@@ -178,18 +178,15 @@ public String getWriteableName() {
 
     @Override
     public TransportVersion getMinimalSupportedVersion() {
-        return TransportVersions.V_8_14_0;
+        return TransportVersions.ML_INFERENCE_HUGGING_FACE;
     }
 
     @Override
     public void writeTo(StreamOutput out) throws IOException {
         out.writeOptionalString(modelId);
         out.writeString(uri.toString());
         out.writeOptionalVInt(maxInputTokens);
-
-        if (out.getTransportVersion().onOrAfter(TransportVersions.V_8_15_0)) {
-            rateLimitSettings.writeTo(out);
-        }
+        rateLimitSettings.writeTo(out);
     }
 
     @Override