PHP Minimum Version

This release drops support for PHP 5 and now requires PHP 7.1 or newer.

What's Changed

• Static return types, min ver PHP 7.1 by @kamermans in https://github.com/kamermans/guzzle-oauth2-subscriber/pull/60
• The restoreToken function return type can be null by @GabGr25 in https://github.com/kamermans/guzzle-oauth2-subscriber/pull/57

New Contributors

• @GabGr25 made their first contribution in https://github.com/kamermans/guzzle-oauth2-subscriber/pull/57

Full Changelog: https://github.com/kamermans/guzzle-oauth2-subscriber/compare/v1.0.13...v1.1.0