jenkins: 2.516.2 -> 2.516.3

Fixes CVE-2025-5115, CVE-2025-59474, CVE-2025-59475 and CVE-2025-59476.

https://www.jenkins.io/security/advisory/2025-09-17/

Other changes:
https://www.jenkins.io/changelog/2.516.3/

pkgs/by-name/je/jenkins/package.nix

@@ -18,11 +18,11 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "jenkins";
-  version = "2.516.2";
+  version = "2.516.3";
 
   src = fetchurl {
     url = "https://get.jenkins.io/war-stable/${finalAttrs.version}/jenkins.war";
-    hash = "sha256-7WucCZXXgGLgVcekKgVbZRh8TSbqNvubSdjy3Ya8b8g=";
+    hash = "sha256-gbOrzA8kzqSOdO/+FS9p3F8NiA7cDCc3xhRGs8WZLAA=";
   };
 
   nativeBuildInputs = [ makeWrapper ];