gnu: python-pytest-black: Switch to python-pytest-8.

* gnu/packages/python-check.scm (python-pytest-black)
[native-inputs]: Add python-pytest-8.  Remove python-wheel.
[propagated-inputs]: Remove python-pytest.

Change-Id: Ifc6b751be94ad5b6e4fa23b2a0ee18dbe95ed688
Signed-off-by: Sharlatan Hellseher <sharlatanus@gmail.com>

gnu/packages/python-check.scm

@@ -2465,11 +2465,10 @@ rounds that are calibrated to the chosen timer.")
          "04dmhv8dzh356qdxz6hrwfz3nk3mlc9shicgpns5r03rydap9dzc"))))
     (build-system pyproject-build-system)
     (native-inputs
-     (list python-setuptools
-           python-wheel))
+     (list python-pytest-8
+           python-setuptools))
     (propagated-inputs
      (list python-black
-           python-pytest
            python-toml))
     ;; Project maintenance has been changed, see
     ;; <https://github.com/shopkeep/pytest-black/issues/70>.