WebKitGTK 2.39.2 released!

This is a development release leading toward 2.40 series.

Add API to support asynchronously returning values from user script messages.
Deprecate WebKitConsoleMessage API.
Deprecate event parameter of WebKitWebView::context-menu and WebKitWebView::show-option-menu signals in favor of a getter in WebKitConextMenu and WebKitOptionMenu.
Do not emit context-menu signals for media settings popup menu.
Use async scrolling also for keyboard scrolling.
Add support for client side certificates on WebSocket connections.
Fix first party for cookies set on every media request.
Fix a crash on authentication dialog with GTK4.
Fix web process leak when webkit_download_set_destination is called with empty destination.
Fix several warnings when building for ARMv7 (32-bits).
Fix several crashes and rendering issues.

Thanks to all the contributors who made possible this release.