CI: Update the tested pluggy

Fedora 43 no longer has pytest 7.

tests/python-pluggy.spec

@@ -1,6 +1,6 @@
 %global pypi_name pluggy
 Name:           python-%{pypi_name}
-Version:        0.13.0
+Version:        1.5.0
 Release:        1%{?dist}
 Summary:        The plugin manager stripped of pytest specific details
 
@@ -30,9 +30,6 @@ Summary:        %{summary}
 
 %prep
 %autosetup -p1 -n %{pypi_name}-%{version}
-# Avoid pytest 8 for now.
-# Once the compat package is removed from Fedora, we will update pluggy.
-sed -i 's/{env:_PYTEST_DEP:pytest}$/{env:_PYTEST_DEP:pytest<8}/' tox.ini
 
 
 %generate_buildrequires