Mqttasgi

What's Changed
* Fix subscriptions with different qos by tlifschitz in https://github.com/sivulich/mqttasgi/pull/26

New Contributors
* tlifschitz made their first contribution in https://github.com/sivulich/mqttasgi/pull/26

**Full Changelog**: https://github.com/sivulich/mqttasgi/compare/v1.2.3...v1.2.4

Added two new options for the MQTTAsgi configuration:
| Parameter | Explanation | Environment variable | Default |
|-------------|------------------|:--------------------:|:--------------------:|
| -SSL / --use-ssl | Use ssl (without certificate authentication) | MQTT_USE_SSL | False |
| -T / --transport | Transport type (tcp or websockets) | MQTT_TRANSPORT | tcp |

- Adding new retries flag to cli
- Adding reconnect logic for first connect + reconnect
- Fixing shutdown logic

Thanks SootyOwl for your contributions!