Fix heuristic_tag of Qwen1.5-0.5B.

Author: Xreki

samples/transformers-auto-model/Qwen1.5-0.5B/graph_net.json

@@ -4,5 +4,5 @@
     "num_nodes_required": 1,
     "dynamic": false,
     "model_name": "Qwen/Qwen1.5-0.5B",
-    "heuristic_tag": "unknown"
-}
+    "heuristic_tag": "nlp"
+}