chore: use fixedExtension

TheAlexLichter · sxzz · TheAlexLichter · commit 7d6276edfdc9 · 2025-06-03T11:02:58.000+02:00
Co-Authored-By: sxzz &lt;sxzz@sxzz.moe&gt;
diff --git a/tsdown.config.ts b/tsdown.config.ts
@@ -7,5 +7,6 @@ export default defineConfig({
   removeNodeProtocol: true,
   dts: true,
   exports: true,
-  publint: true
+  publint: true,
+  fixedExtension: true
 })
