Getting ready to release v9 (ArturKovacs#195)

* Update dependencies
sys-info, trash, resvg, usvg, tiny-skia

* Update version and changelog

* Add file association support for ico files on Linux

* Allow copying on Wayland

* Show the application name on Wayland

* Tweak the wording of the changelog

CHANGELOG.md

@@ -2,6 +2,15 @@
 
 ### Added
 - Added `start_maximized` configuration field
+- Some very high resolution images that were shown entirely black, are now shown correctly.
+- Allow copying to the clipboard on Wayland
+
+### Changed
+- Fixed spurious crashes on Wayland
+- Fixed incorrect file association method in the Windows installer
+- Fixed a bug that caused the entire system to freeze on X11 desktops.
+- Fixed some animated gifs showing as a still image
+- The parent folder could previously be deleted after deleting the last open image. This is now prevented.
 
 ## 8.0 on 2021-01-02