Added gviz-api to known list (#2831)

## Changes
Added `gviz-api` to known list 

### Linked issues
Partly resolve #1931

Author: pritishpai

src/databricks/labs/ucx/source_code/known.json

@@ -5761,6 +5761,9 @@
     "gymnasium.wrappers.transform_reward": [],
     "gymnasium.wrappers.vector_list_info": []
   },
+  "gviz-api": {
+    "gviz_api": []
+  },
   "h11": {
     "h11": [],
     "h11._abnf": [],