html-xml-utils: 7.7 -> 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/html-xml-utils/versions

pkgs/tools/text/xml/html-xml-utils/default.nix

@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "html-xml-utils";
-  version = "7.7";
+  version = "7.8";
 
   src = fetchurl {
     url = "https://www.w3.org/Tools/HTML-XML-utils/${pname}-${version}.tar.gz";
-    sha256 = "1vwqp5q276j8di9zql3kygf31z2frp2c59yjqlrvvwcvccvkcdwr";
+    sha256 = "0p8df3c6mw879vdi8l63kbdqylkf1is10b067mh9kipgfy91rd4s";
   };
 
   buildInputs = [curl libiconv];