File use-pdm-backend.patch of Package python-jsonref

--- jsonref-1.1.0/pyproject.toml	2023-01-16 17:06:47.203465200 +0100
+++ jsonref-1.1.0/pyproject.toml	2024-01-13 21:57:26.399821227 +0100
@@ -37,6 +37,6 @@
 
 [build-system]
 requires = [
-    "pdm-pep517>=1.0.0",
+    "pdm-backend"
 ]
-build-backend = "pdm.pep517.api"
+build-backend = "pdm.backend"