Add transport version for ML inference Mistral chat completion (elastic#129033)

* Add transport version for ML inference Mistral chat completion

* Add changelog for Mistral Chat Completion version fix

* Revert "Add changelog for Mistral Chat Completion version fix"

This reverts commit 7a57416.

Author: Jan-Kazlouski-elastic

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

@@ -192,6 +192,7 @@ static TransportVersion def(int id) {
     public static final TransportVersion ESQL_REGEX_MATCH_WITH_CASE_INSENSITIVITY_8_19 = def(8_841_0_44);
     public static final TransportVersion ESQL_QUERY_PLANNING_DURATION_8_19 = def(8_841_0_45);
     public static final TransportVersion SEARCH_SOURCE_EXCLUDE_VECTORS_PARAM_8_19 = def(8_841_0_46);
+    public static final TransportVersion ML_INFERENCE_MISTRAL_CHAT_COMPLETION_ADDED_8_19 = def(8_841_0_47);
     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 INITIAL_ELASTICSEARCH_9_0_2 = def(9_000_0_11);