Update audio_image_record_item

Author: yibeichan

{{cookiecutter.protocol_name}}/activities/voiceActivity/items/audio_image_record_item

@@ -6,7 +6,7 @@
     "description": "This is a audio image record item.",
     "schemaVersion": "1.0.0-rc4",
     "version": "0.0.1",
-    "imageUrl": "https://picsum.photos/500/400",
+    "image": "https://picsum.photos/500/400",
     "question": "This is an audio image record item where the participant describes verbally an image shown below for a minute",
     "ui": {
         "inputType": "audioImageRecord"