Merge branch 'duo-chat-new-default-final-error-message' into 'master'

Change Duo Chat default final error message to be more friendly

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/150179



Merged-by: Jessie Young <jessieyoung@gitlab.com>
Approved-by: Suzanne Selhorn <sselhorn@gitlab.com>
Approved-by: Jessie Young <jessieyoung@gitlab.com>
Co-authored-by: lesley <lrazzaghian@gitlab.com>