Claim transport version for backporting ILM skip setting

Preparation for backporting elastic#128736.

Author: nielsbauman

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

@@ -187,6 +187,7 @@ static TransportVersion def(int id) {
     public static final TransportVersion INFERENCE_CUSTOM_SERVICE_ADDED_8_19 = def(8_841_0_39);
     public static final TransportVersion IDP_CUSTOM_SAML_ATTRIBUTES_ADDED_8_19 = def(8_841_0_40);
     public static final TransportVersion DATA_STREAM_OPTIONS_API_REMOVE_INCLUDE_DEFAULTS_8_19 = def(8_841_0_41);
+    public static final TransportVersion ILM_ADD_SKIP_SETTING_8_19 = def(8_841_0_42);
     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);

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/ilm/IndexLifecycleExplainResponse.java

@@ -342,7 +342,8 @@ public IndexLifecycleExplainResponse(StreamInput in) throws IOException {
             } else {
                 previousStepInfo = null;
             }
-            if (in.getTransportVersion().onOrAfter(TransportVersions.ILM_ADD_SKIP_SETTING)) {
+            if (in.getTransportVersion().isPatchFrom(TransportVersions.ILM_ADD_SKIP_SETTING_8_19)
+                || in.getTransportVersion().onOrAfter(TransportVersions.ILM_ADD_SKIP_SETTING)) {
                 skip = in.readBoolean();
             } else {
                 skip = false;
@@ -397,7 +398,8 @@ public void writeTo(StreamOutput out) throws IOException {
             if (out.getTransportVersion().onOrAfter(TransportVersions.V_8_16_0)) {
                 out.writeOptionalBytesReference(previousStepInfo);
             }
-            if (out.getTransportVersion().onOrAfter(TransportVersions.ILM_ADD_SKIP_SETTING)) {
+            if (out.getTransportVersion().isPatchFrom(TransportVersions.ILM_ADD_SKIP_SETTING_8_19)
+                || out.getTransportVersion().onOrAfter(TransportVersions.ILM_ADD_SKIP_SETTING)) {
                 out.writeBoolean(skip);
             }
         }