modulemd-tools fails to build in Fedora 39 and 40.

https://koschei.fedoraproject.org/package/modulemd-tools

=================================== FAILURES ===================================
_____________________________ test_run_modifyrepo ______________________________
test_output_dir = local('/tmp/pytest-of-mockbuild/pytest-0/output0')
    def test_run_modifyrepo(test_output_dir):
        if not os.path.isfile(os.path.join(test_output_dir, "modules.yaml")):
            logger.info("Seems like test_dump_modules_yaml was skipped. "
                        "Creating modules.yaml from dummy.yaml.")
            shutil.copy(os.path.join(test_module_yamls_dir, "dummy.yaml"),
                        os.path.join(test_output_dir, "modules.yaml"))
    
        assert os.path.isfile(os.path.join(test_output_dir, "modules.yaml"))
        retval = run_modifyrepo(test_output_dir)
>       assert glob.glob(os.path.join(test_output_dir, "repodata", "*-modules.yaml.gz"))
E       AssertionError: assert []
E        +  where [] = <function glob at 0x7fca8812e3e0>('/tmp/pytest-of-mockbuild/pytest-0/output0/repodata/*-modules.yaml.gz')
E        +    where <function glob at 0x7fca8812e3e0> = glob.glob
E        +    and   '/tmp/pytest-of-mockbuild/pytest-0/output0/repodata/*-modules.yaml.gz' = <function join at 0x7fca88d98900>(local('/tmp/pytest-of-mockbuild/pytest-0/output0'), 'repodata', '*-modules.yaml.gz')
E        +      where <function join at 0x7fca88d98900> = <module 'posixpath' (frozen)>.join
E        +        where <module 'posixpath' (frozen)> = os.path
tests/test_createrepo_mod/test_createrepo_mod.py:52: AssertionError
------------------------------ Captured log call -------------------------------
INFO     test_createrepo_mod:test_createrepo_mod.py:45 Seems like test_dump_modules_yaml was skipped. Creating modules.yaml from dummy.yaml.
=========================== short test summary info ============================
FAILED tests/test_createrepo_mod/test_createrepo_mod.py::test_run_modifyrepo
============= 1 failed, 83 passed, 8 skipped, 6 warnings in 1.86s ==============


https://koschei.fedoraproject.org/build/16087868 indicates this might be caused by createrepo_c update to 1.0.0.


This is blocking our attempts to test the package with Python 3.13.