Do not send "quiet" Sanic exceptions to Sentry. (#2821)

In Sanic some exceptions are "quiet" (https://github.com/hamedsh/sanic/blob/b8ec9ed3e6f63f4c61fd45d3e09cfc9457a53b82/sanic/exceptions.py#L9) These exceptions, do not get logged in stderror and should also not be sent to Sentry. 

---------

Co-authored-by: Anton Pirker <[email protected]>

Author: hamedsh

sentry_sdk/integrations/sanic.py

@@ -342,6 +342,8 @@ def _capture_exception(exception):
             client_options=client.options,
             mechanism={"type": "sanic", "handled": False},
         )
+        if hint and hasattr(hint["exc_info"][0], "quiet") and hint["exc_info"][0].quiet:
+            return
         hub.capture_event(event, hint=hint)