$NetBSD: patch-pyproject.toml,v 1.1 2023/05/08 20:53:30 markd Exp $

Convert to pdm-pep517 replacement, pdm-backend.

--- pyproject.toml.orig	2022-09-05 00:25:49.267757700 +0000
+++ pyproject.toml
@@ -146,6 +146,6 @@ ignore_missing_imports = true
 
 [build-system]
 requires = [
-    "pdm-pep517",
+    "pdm-backend",
 ]
-build-backend = "pdm.pep517.api"
+build-backend = "pdm.backend"