chore(deps): update meshcore requirement from >=2.3.8 to >=2.3.9 - #331

custom_components/meshcore/binary_sensor.py:824:41: UP006 Use `dict` instead of `Dict` for type annotation help: Replace with `dict`

custom_components/meshcore/binary_sensor.py:716:41: UP006 Use `dict` instead of `Dict` for type annotation help: Replace with `dict`

custom_components/meshcore/binary_sensor.py:661:50: UP006 Use `dict` instead of `Dict` for type annotation help: Replace with `dict`

custom_components/meshcore/binary_sensor.py:644:36: UP006 Use `dict` instead of `Dict` for type annotation help: Replace with `dict`

custom_components/meshcore/binary_sensor.py:558:41: UP006 Use `dict` instead of `Dict` for type annotation help: Replace with `dict`

custom_components/meshcore/binary_sensor.py:469:41: UP006 Use `dict` instead of `Dict` for type annotation help: Replace with `dict`

custom_components/meshcore/binary_sensor.py:8:1: UP035 `typing.Dict` is deprecated, use `dict` instead

custom_components/meshcore/binary_sensor.py:2:1: I001 Import block is un-sorted or un-formatted help: Organize imports

custom_components/meshcore/__init__.py:486:13: F841 Local variable `contacts_changed` is assigned to but never used help: Remove assignment to unused variable `contacts_changed`