jenkins: 2.66 -> 2.71

pkgs/development/tools/continuous-integration/jenkins/default.nix

···
 
 stdenv.mkDerivation rec {
   name = "jenkins-${version}";
-  version = "2.66";
+  version = "2.71";
 
   src = fetchurl {
     url = "http://mirrors.jenkins-ci.org/war/${version}/jenkins.war";
-    sha256 = "05n03rm5vjzcz1f36829hwviw7i8l8d728nvr4cnf6mcl3rxciyl";
+    sha256 = "0b3mxbcv7afj8ksr2y33rvprj7003679j545igf5dsal82i7swhl";
   };
 
   buildCommand = ''