jenkins: Add Felix Singer as a maintainer (#470054)

nixos/modules/services/continuous-integration/jenkins/default.nix

@@ -290,4 +290,8 @@ in
       };
     };
   };
+
+  meta.maintainers = with lib.maintainers; [
+    felixsinger
+  ];
 }

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

@@ -81,6 +81,7 @@ stdenvNoCC.mkDerivation (finalAttrs: {
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [
       earldouglas
+      felixsinger
     ];
     changelog = "https://www.jenkins.io/changelog-stable/#v${finalAttrs.version}";
     mainProgram = "jenkins-cli";