calibre: update from 2.24.0 to 2.25.0

pkgs/applications/misc/calibre/default.nix

···
 }:
 
 stdenv.mkDerivation rec {
-  name = "calibre-2.24.0";
+  name = "calibre-2.25.0";
 
   src = fetchurl {
     url = "mirror://sourceforge/calibre/${name}.tar.xz";
-    sha256 = "1l9gdna8vzc48yh20kwidb5hfp04cawg6vggkkqnn5zh9dwcvm4d";
+    sha256 = "0h7cnwdd9phk4n5hl6xggkn7szvqsds5847mnk2wg2j2j1lzp2r0";
   };
 
   inherit python;