fix: add build-backend in pyproject.toml

musicinmybrain · scanny · commit e45fd78a04cf · 2023-10-13T10:53:28.000-07:00
This defaults to the right value on most platforms but must be explicit
on Fedora.
diff --git a/pyproject.toml b/pyproject.toml
@@ -1,5 +1,6 @@
 [build-system]
 requires = ["setuptools>=61.0.0"]
+build-backend = "setuptools.build_meta"
 
 [project]
 name = "python-docx"
