Update omniauth-oauth2 to version 1.7.0 (#91)
Update omniauth-oauth2 to version 1.7.0 (#91)

Co-authored-by: depfu[bot] <2714779d9417fc52c071749b76ce00064c1f90e7@users.noreply.github.com>
jonhue/omniauth-paypal-oauth2