Rstream

What's Changed
* Fixed a bug when subscriber frames not clears after unsubscribe by nesb1 in https://github.com/qweeze/rstream/pull/211
* Fixed a bug when used `consumer_update_listener` callback from another subscription by nesb1 in https://github.com/qweeze/rstream/pull/210


**Full Changelog**: https://github.com/qweeze/rstream/compare/0.20.5...0.20.6

What's Changed

- Fixed a bug in the single active consumer scenario: See https://github.com/qweeze/rstream/pull/206 for more information by nesb1
- Better management of heartbeat scenario: See https://github.com/qweeze/rstream/pull/208 from more information by DanielePalaia

**Full Changelog**: https://github.com/qweeze/rstream/compare/0.20.4...0.20.5

What's Changed
Fixed a bug when, after unsubscribing, the next subscriber with the same subscriber name used a first subscriber callback and ignore second subscriber callback: https://github.com/qweeze/rstream/pull/204 by nesb1

**Full Changelog**: https://github.com/qweeze/rstream/compare/0.20.3...0.20.4

What's Changed
* Created py.typed file for PEP-561 compliance by nesb1 in https://github.com/qweeze/rstream/pull/200
* bump version to 0.20.3 by Gsantomaggio in https://github.com/qweeze/rstream/pull/202

New Contributors
* nesb1 made their first contribution in https://github.com/qweeze/rstream/pull/200

**Full Changelog**: https://github.com/qweeze/rstream/compare/0.20.2...0.20.3

What's Changed

* Bug fix when resubscribing the same subscriber_name in a Consumer: See https://github.com/qweeze/rstream/issues/198

Adding typing_extensions dependency in tool.poetry.dependencies to avoid importing it