Log Message:
webkit-gtk: Update to 2.30.0

pkgsrc changes:
 - Unconditionally disable systemd support via CMAKE_ARGS (by default systemd is
   enabled unconditionally)

Changes:
WebKitGTK 2.30.0
================
  - Fix NTLM authentication.
  - Don't try to use SHM on wayland with older wpebackend-fdo.
  - Fix the build due to seccomp.h header not found.

WebKitGTK 2.29.92
=================
  - Fix user agent header after a redirect when a new quirk is required.
  - Stop using firefox user agent quirk for google docs.
  - Fix rendering frames timeline panel in web inspector.
  - Fix per-thread cpu usage in web inspector.
  - Fix several crashes and rendering issues.
  - Translation updates: Polish

WebKitGTK 2.29.91
=================
  - Fix a web process crash introduced in 2.29.90.

WebKitGTK 2.29.90
=================
  - Fix font variation settings when font smoothing setting is also present.
  - Fix HTML drag and drop operations.
  - Fix argument order for clone syscall seccomp filter on s390x.
  - Fix a crash when selecting text.
  - Fix several crashes and rendering issues.

WebKitGTK 2.29.4
================
  - Add support for backdrop filters.
  - Add support for text-underline-offset and text-decoration-thickness.
  - Add OpenCDM and AV1 support to media backend.
  - Add new API to get ITP data summary.
  - Use mobile user-agent on tablets.
  - Fix several crashes and rendering issues.

WebKitGTK 2.29.3
================
  - Add webkit_authentication_request_get_security_origin.
  - Change the cookies accept policy to always when no-third-party is set and \ 
ITP is enabled.
  - Fix web process hangs on large GitHub pages.
  - Bubblewrap sandbox should not attempt to bind empty paths.
  - Add support for sndio to bubblewrap sandbox.
  - Also handle dark themes when the name ends with -Dark.
  - Fix a race condition causing a crash in media player.
  - Fix several crashes and rendering issues.

WebKitGTK 2.29.2
================
 - Add Intelligent Tracking Prevention (ITP) support.
 - Add support for video formats in img elements.
 - Add API to handle video autoplay policy that now defaults to disallow \ 
autoplay videos with audio.
 - Add API to mute a web view.
 - Add API to allow applications to handle the HTTP authentication credential \ 
storage.
 - Add a WebKitSetting to set the media content types requiring hardware support.
 - Fix a crash during drag an drop due to a bug introduced in 2.29.1.
 - Do not start page load during animation in back/forward gesture.
 - Fix several crashes and rendering issues.
 - Translation updates: Ukrainian.

WebKitGTK 2.29.1
================
 - Stop using GTK theming to render form controls.
 - Add API to disable GTK theming for scrollbars too.
 - Fix several race conditions and threading issues in the media player.
 - Add USER_AGENT_BRANDING build option.
 - Add paste as plain text option to the context menu for rich editable content.
 - Fix several crashes and rendering issues.