units: update from 2.10 to 2.11

pkgs/tools/misc/units/default.nix

···
 {stdenv, fetchurl}:
 stdenv.mkDerivation {
-  name = "units-2.10";
+  name = "units-2.11";
 
   src = fetchurl {
-    url = mirror://gnu/units/units-2.10.tar.gz;
-    sha256 = "0fa4bk5aqyis5zisz6l8mqqk76njj6zgx3pbrjp5kvraz1dz78lc";
+    url = mirror://gnu/units/units-2.11.tar.gz;
+    sha256 = "1gjs3wc212aaiq4r76hx9nl1h3fa39n0ljwl9420d6ixl3rdmdjk";
   };
 
   meta = {