Userspace: add support for adding environment variables during build (#22887)

lib/python/qmk/cli/format/json.py

@@ -18,11 +18,18 @@ def _detect_json_format(file, json_data):
     """
     json_encoder = None
     try:
-        validate(json_data, 'qmk.user_repo.v1')
+        validate(json_data, 'qmk.user_repo.v1_1')
         json_encoder = UserspaceJSONEncoder
     except ValidationError:
         pass
 
+    if json_encoder is None:
+        try:
+            validate(json_data, 'qmk.user_repo.v1')
+            json_encoder = UserspaceJSONEncoder
+        except ValidationError:
+            pass
+
     if json_encoder is None:
         try:
             validate(json_data, 'qmk.keyboard.v1')