The backend does not require a mesonbuild module for every flavor.
the `meson` command from the regular RPM package is sufficient.

Index: meson_python-0.13.2/pyproject.toml
===================================================================
--- meson_python-0.13.2.orig/pyproject.toml
+++ meson_python-0.13.2/pyproject.toml
@@ -6,7 +6,6 @@
 build-backend = 'mesonpy'
 backend-path = ['.']
 requires = [
-  'meson >= 0.63.3',
   'pyproject-metadata >= 0.7.1',
   'tomli >= 1.0.0; python_version < "3.11"',
   'setuptools >= 60.0; python_version >= "3.12"',
@@ -29,7 +28,6 @@ classifiers = [
 
 dependencies = [
   'colorama; os_name == "nt"',
-  'meson >= 0.63.3',
   'pyproject-metadata >= 0.7.1',
   'tomli >= 1.0.0; python_version < "3.11"',
   'setuptools >= 60.0; python_version >= "3.12"',