1.1.0

What's Changed

• add support to php 8.0.x and 8.1.x
• guzzlehttp/guzzle version changed to ^7.0
• phpunit/phpunit set as a dev depencendy in composer.json
• vlucas/phpdotenv package removed
• oauth state passed to getAccessToken() method was not being validated
• unable to call getEndpoint() method
• unable to call setEnvironment() method
• getScopes() method returning an array as documented
• some other fixes
• better tests and code coverage