clipgrab: 3.6.2 -> 3.6.8

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/clipgrab/versions.

These checks were done:

- built on NixOS
- Warning: no binary found that responded to help or version flags. (This warning appears even if the package isn't expected to have binaries.)
- found 3.6.8 with grep in /nix/store/1y989g5la7p05gizhmkbiq8k7c93yv27-clipgrab-3.6.8
- directory tree listing: https://gist.github.com/b319063218d7e4f46c8b6dccf8c9b79a

pkgs/applications/video/clipgrab/default.nix

@@ -2,10 +2,10 @@
 
 stdenv.mkDerivation rec {
   name = "clipgrab-${version}";
-  version = "3.6.2";
+  version = "3.6.8";
 
   src = fetchurl {
-    sha256 = "0n7bhwkzknjpp54h54hxv1s8nsmmb7cwwf1aqpbcsnd7y6cv28nm";
+    sha256 = "0agp97g79mlqcwfz2xk5rdxw4kx0hm92xikdspbpxlfji1mkh10p";
     # The .tar.bz2 "Download" link is a binary blob, the source is the .tar.gz!
     url = "https://download.clipgrab.org/${name}.tar.gz";
   };