See also:
https://daniel.haxx.se/blog/2023/01/08/copyright-without-years/
https://hynek.me/til/copyright-years/

GStreamer 1.22 merged the videoscale plugin into the videoconvertscale
plugin. So we should check if the Element is still loadable instead of
checking the plugin name.

fixes #1352

* Initial commit for VoIP v1 implementation

* Added draft of event handlers for voip methods

* Added event handlers for VoIP events, added rejectCall, added version tracking for call version for V0 and V1 compatibility

* Added call events to the general message pipeline. Modified Call Reject mechanism

* Added message delegates for new events. Modified hidden events. Updated handle events.

* Updated implementation to keep track of calls on other devices

* Fixed linting

* Fixed code warnings

* Fixed minor bugs

* fixed ci

* Added acceptNegotiation method definition when missing gstreamer

* Fixed warnings

* Fixed linting

- This ensures that gstreamer bus operations work
on macOS and windows, such as enumerating devices.

I think old clang-format is just buggy in those cases, so we should
reenable those blocks, once everyone has 13 or up.

The transceiver was made private in
https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2241

The direction property was added here:
https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/commit/28b0be4036ac59d6e6068586ab7bc55e8ac51166