Bump simple-oauth2 from 1.6.0 to 3.4.0
Bump simple-oauth2 from 1.6.0 to 3.4.0

Bumps [simple-oauth2](https://github.com/lelylan/simple-oauth2) from 1.6.0 to 3.4.0.
- [Release notes](https://github.com/lelylan/simple-oauth2/releases)
- [Changelog](https://github.com/lelylan/simple-oauth2/blob/master/CHANGELOG.md)
- [Commits](https://github.com/lelylan/simple-oauth2/compare/1.6.0...3.4.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
cobraz/eaccounting