Don't send `InvalidQuery` exceptions to Errbit
Don't send `InvalidQuery` exceptions to Errbit

This exception is triggered by a user error and should not be sent to
errbit. Currently it is, causing unnecessary emails to developers and
error-blindness.

Ignores errors like:

https://errbit.publishing.service.gov.uk/apps/539849ba0da115be230008b7/p
roblems/56fd109165786342b80e1a00

alphagov/rummager,alphagov/rummager