Bump omniauth-oauth2 from 1.4.0 to 1.6.0
Bump omniauth-oauth2 from 1.4.0 to 1.6.0

Bumps [omniauth-oauth2](https://github.com/omniauth/omniauth-oauth2) from 1.4.0 to 1.6.0.
- [Release notes](https://github.com/omniauth/omniauth-oauth2/releases)
- [Commits](https://github.com/omniauth/omniauth-oauth2/compare/v1.4.0...v1.6.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
ossfriday/ossfriday,ossfriday/ossfriday,ossfriday/ossfriday,ossfriday/ossfriday