Linkplay-cli

New feature:

- Add UPnP fallback to the `now` command, for devices which don't support `GetPlayerStatus{Ex}`.

Notes:

- If you're upgrading from an older version, please run `linkplay-cli rediscover`.
- The minimum Python version has increased to 3.9.

New features:

- Add support for sending TCP UART commands.
- Add `raw --tcp-uart` option for sending raw TCP UART commands.
- Add TCP UART fallback for the `volume` command, for devices which lack the default volume command.

If you're upgrading from an older version, please run `linkplay-cli rediscover`.

Bug fix:

- Fix `getsyslog` command accessing the wrong download URL in some cases

Bug fixes:

- Avoid f-string quote reuse (disallowed in Python < 3.12)
- Add missing certificate to Python package

New features:

- Support for networks with multiple Linkplay devices
- Support for Linkplay devices which use mTLS instead of plain HTTP
- Add `rediscover` command to reinitiate device discovery

New features:
- Add `now --extra` option to display additional information such as album name & playback mode
- Add `info --set-device-name` option for changing the device's name