Revert bundler version
Revert bundler version

C-B4/omnibus-unifiedpush-server,C-B4/omnibus-unifiedpush-server,aerobase/omnibus-unifiedpush-server,C-B4/omnibus-unifiedpush-server,aerobase/omnibus-unifiedpush-server,aerobase/omnibus-unifiedpush-server