Update to 3.9.9

package.json

@@ -6,7 +6,7 @@
         "email": "[email protected]",
         "url": "https://www.lutzroeder.com"
     },
-    "version": "3.9.8",
+    "version": "3.9.9",
     "description": "Visualizer for neural network, deep learning and machine learning models",
     "license": "MIT",
     "repository": "lutzroeder/netron",