python313Packages.vdirsyncer: migrate to pytest-cov-stub

pkgs/development/python-modules/vdirsyncer/default.nix

@@ -11,6 +11,7 @@
   atomicwrites,
   hypothesis,
   pytestCheckHook,
+  pytest-cov-stub,
   pytest-subtesthack,
   setuptools,
   setuptools-scm,
@@ -37,10 +38,6 @@ buildPythonPackage rec {
     hash = "sha256-5DeFH+uYXew1RGVPj5z23RCbCwP34ZlWCGYDCS/+so8=";
   };
 
-  postPatch = ''
-    sed -i -e '/--cov/d' -e '/--no-cov/d' pyproject.toml
-  '';
-
   nativeBuildInputs = [
     setuptools
     setuptools-scm
@@ -64,6 +61,7 @@ buildPythonPackage rec {
   nativeCheckInputs = [
     hypothesis
     pytestCheckHook
+    pytest-cov-stub
     pytest-subtesthack
     pytest-asyncio
     trustme