Allow build with older versions of devel/py-setuptools_scm .

--- pyproject.toml.orig	2023-02-23 20:43:57 UTC
+++ pyproject.toml
@@ -3,7 +3,7 @@ requires = [
 [build-system]
 requires = [
   "setuptools >= 61",
-  "setuptools_scm[toml] >= 7.0.5",
+  "setuptools_scm[toml]",
   "wheel"
 ]
 build-backend = "setuptools.build_meta"