appstream-glib: 0.7.7 -> 0.7.8

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

This update was made based on information from https://repology.org/metapackage/appstream-glib/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 0.7.8 with grep in /nix/store/52vkj80m85n3jhzbqhw5abxdrqqac2yk-appstream-glib-0.7.8
- directory tree listing: https://gist.github.com/c3d5906e2b4ff1a38510f114a6c58819

pkgs/development/libraries/appstream-glib/default.nix

@@ -4,7 +4,7 @@
 , libuuid, json-glib, meson, gperf, ninja
 }:
 stdenv.mkDerivation rec {
-  name = "appstream-glib-0.7.7";
+  name = "appstream-glib-0.7.8";
 
   outputs = [ "out" "dev" "man" "installedTests" ];
   outputBin = "dev";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     owner = "hughsie";
     repo = "appstream-glib";
     rev = stdenv.lib.replaceStrings ["." "-"] ["_" "_"] name;
-    sha256 = "127m5ds355i1vfvmn9nd4zqqnqm16jpqcn4p2p2pvn7i4wqxra40";
+    sha256 = "10hcl3sl3g8ajg9mssq3g4dbzz0d4b2ybimrcq71cpycqrqhilhx";
   };
 
   nativeBuildInputs = [