Update setup.cfg to fix deprecated dash seperated key

Mufaddal1125 · web-flow · commit 7e3c47f4cca4 · 2025-03-24T22:10:59.000+05:30
diff --git a/setup.cfg b/setup.cfg
@@ -1,2 +1,2 @@
 [metadata]
-description-file = README.md
+description_file = README.md
