tests: remove pytest-forked req with core 2.16

ansible-test units doesn't depend on pytest-forked as of
676b731e6f.
This is expected to land in ansible-core 2.16.

ansible-packaging.spec

@@ -48,7 +48,7 @@ Requires:       /usr/bin/ansible-test
 Requires:       %{py3_dist pytest}
 Requires:       %{py3_dist pytest-mock}
 Requires:       %{py3_dist pytest-xdist}
-Requires:       %{py3_dist pytest-forked}
+Requires:       (%{py3_dist pytest-forked} if ansible-core < 2.16~~)
 Requires:       %{py3_dist pyyaml}
 # mock is included in the list upstream, but is deprecated in Fedora.
 # Maintainers should work with upstream to add compat code to support
@@ -151,6 +151,7 @@ echo "Ensure macro prefers the collection namespace and name passed as an argume
 %changelog
 * Thu May 11 2023 Maxwell G <maxwell@gtmx.me> - 1-10
 - %%ansible_collection_install - disable spurious collections path warnings
+- ansible-packaging-tests - don't depend on pytest-forked with ansible-core 2.16
 
 * Wed Jan 18 2023 Fedora Release Engineering <releng@fedoraproject.org> - 1-9.1
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild