Fixes #1235 - node changed to embeddings

Author: haroon-sheikh

core/src/main/java/cucumber/runtime/formatter/JSONFormatter.java

@@ -290,11 +290,11 @@ private void addOutputToHookMap(String text) {
     }
 
     private void addEmbeddingToHookMap(byte[] data, String mimeType) {
-        if (!currentStepOrHookMap.containsKey("embedding")) {
-            currentStepOrHookMap.put("embedding", new ArrayList<Map<String, Object>>());
+        if (!currentStepOrHookMap.containsKey("embeddings")) {
+            currentStepOrHookMap.put("embeddings", new ArrayList<Map<String, Object>>());
         }
         Map<String, Object> embedMap = createEmbeddingMap(data, mimeType);
-        ((List<Map<String, Object>>)currentStepOrHookMap.get("embedding")).add(embedMap);
+        ((List<Map<String, Object>>)currentStepOrHookMap.get("embeddings")).add(embedMap);
     }
 
     private Map<String, Object> createEmbeddingMap(byte[] data, String mimeType) {

core/src/test/java/cucumber/runtime/formatter/JSONFormatterTest.java

@@ -584,7 +584,7 @@ public void should_handle_embed_from_a_hooks() throws Throwable {
                 "            \"match\": {\n" +
                 "              \"location\": \"Hooks.before_hook_1()\"\n" +
                 "            },\n" +
-                "            \"embedding\": [\n" +
+                "            \"embeddings\": [\n" +
                 "              {\n" +
                 "                \"mime_type\": \"mime-type;base64\",\n" +
                 "                \"data\": \"AQID\"\n" +