Client update needed to match WebSocket spec changes

[client-library-maintainer]

A diff between this client library's spec and our hosted spec was found. The client may need an update to match any changes in our API. See the diff below:

--- https://raw.githubusercontent.com/polygon-io/client-python/master/.polygon/websocket.json
+++ https://api.polygon.io/specs/websocket.json
@@ -1089,7 +1089,7 @@
                 },
                 "example": {
                   "ev": "LV",
-                  "val": 3988.5,
+                  "val": 189.22,
                   "sym": "AAPL",
                   "t": 1678220098130
                 }