eprover: update hash - target modified inplace

the last commit was Wed Nov 15 13:09:21 2023 +0000 but the target, E.tgz
was modified at 2023-11-15 23:29 (assuming utc)
https://wwwlehre.dhbw-stuttgart.de/~sschulz/WORK/E_DOWNLOAD/V_3.0/

pkgs/applications/science/logic/eprover/default.nix

···
 
   src = fetchurl {
     url = "https://wwwlehre.dhbw-stuttgart.de/~sschulz/WORK/E_DOWNLOAD/V_${version}/E.tgz";
-    sha256 = "sha256-RJ2uc/GIWU/fDJijSzYS8GdL7zUkeExOLWXtTbi8ZLk=";
+    hash = "sha256-gBgDC+GH948JMsjzo/SOpWDzJXu0g58YX1VW28PeorI=";
   };
 
   buildInputs = [ which ];