Restore build-system table.

jaraco · jaraco · commit bbe590a1f76d · 2026-04-14T04:39:40.000-04:00
Closes #71
diff --git a/pyproject.toml b/pyproject.toml
@@ -1,3 +1,4 @@
+[build-system]
 requires = [
 	"setuptools>=77",
 	"setuptools_scm[toml]>=3.4.1",
