marge-bot: specify correct dependencies

marge-bot migrated to uv back in 0.15.1:
https://gitlab.com/marge-org/marge-bot/-/compare/0.15.0...0.15.1

maya and pendulum were removed back in 0.14.2:
https://gitlab.com/marge-org/marge-bot/-/compare/0.14.1...0.14.2

pkgs/by-name/ma/marge-bot/package.nix

@@ -1,13 +1,13 @@
 {
   lib,
-  python3,
   fetchFromGitLab,
+  python3Packages,
   git,
   openssh,
   nix-update-script,
 }:
 
-python3.pkgs.buildPythonApplication (finalAttrs: {
+python3Packages.buildPythonApplication (finalAttrs: {
   pname = "marge-bot";
   version = "1.1.0";
   pyproject = true;
@@ -19,18 +19,17 @@ python3.pkgs.buildPythonApplication (finalAttrs: {
     hash = "sha256-nTVfsprCTa2S/F8GDdDw5SwQw+OrGkHrX/QwU1FZDsw=";
   };
 
-  nativeBuildInputs = [
-    python3.pkgs.setuptools
+  build-system = with python3Packages; [
+    hatchling
+    uv-build
   ];
 
-  propagatedBuildInputs =
-    (with python3.pkgs; [
+  dependencies =
+    (with python3Packages; [
       configargparse
-      maya
       pyyaml
       requests
       python-gitlab
-      hatchling
     ])
     ++ [
       git
@@ -38,10 +37,11 @@ python3.pkgs.buildPythonApplication (finalAttrs: {
     ];
 
   nativeCheckInputs =
-    (with python3.pkgs; [
+    (with python3Packages; [
       pytest-cov-stub
       pytestCheckHook
-      pendulum
+      python-dateutil
+      time-machine
     ])
     ++ [
       git