This update for xfce4-docklike-plugin fixes the following issues:

- Update to version 0.5.0
  - Update README after switchover to meson
  - Add missing files to translate and fix about dialog
  - Fix licensing
  - GroupMenuItem: Show window action menu as context menu
  - Group: Remove window action menu from context menu
  - x11: Add exceptions where instance-id should be preferred to class-id
  - Group: Don't show group menu when context menu is shown
  - Allow user to create a launcher if not found
  - AppInfos: Print a warning if app launch fails
  - cleanup: AppInfos: Use class member instead of creating new object
  - cleanup: AppInfos: Use naming conventions of other objects
  - AppInfos: Avoid using hard-coded aliases
  - Allow user to manually select a launcher if not found
  - Helpers: Extend String::pathBasename and use it everywhere
  - AppInfos: Extend excluded binary list and use a container
  - cleanup: Replace NULL/TRUE with nullptr/true
  - autotools-build: Explicitly require libxfce4util
  - build: Automate copyright year management
  - meson-build: Use shared_module()
  - Activate/minimize all group windows on left click on the group icon
  - Replace deprecated exo with libxfce4ui 4.21.0
  - Group: Reset mTopWindowIndex when it becomes out of bounds
  - Revert "Group: Reset mTopWindowIndex when active window becomes
    inactive"
  - Group: Reset mTopWindowIndex when active window becomes inactive
  - Fix several issues with context menu for undockable apps
  - Fix memory leak when getting indicator color from theme
  - Add meson build
  - autotools-build: Require libXi
  - {State,Store}.ipp: Renamed from {State,Store}.tpp
  - I18n: Update po/LINGUAS list
  - Translation Updates