7.0.0

What's Changed

• feat: isolated client class to allow for parallel usage + extension mocking by @daniel-sc in #228
• doc: add migration guid + remove obsolete properties $headers/$secret… by @daniel-sc in #238
• fix: kint debugging for web setups + making kint an optional dependency by @daniel-sc in #241
• More fixes by @daniel-sc in #242

Full Changelog: v6.1.1...v7.0.0