Update config.json

config.json

@@ -23,6 +23,6 @@
   "final_logit_soft_cap": null,
   "attention_logit_soft_cap": null,
   "sliding_window_size": 4096,
-  "use_sliding_window_attention": false
+  "use_sliding_window_attention": false,
   "registered_name": "keras_nlp>GemmaBackbone"
 }