Respect vite sourcemap config

Author: Frank

.changeset/young-kiwis-care.md

@@ -0,0 +1,5 @@
+---
+"astro-sst": patch
+---
+
+Respect vite sourcemap config

packages/astro-sst/src/adapter.ts

@@ -49,7 +49,7 @@ export default function createIntegration(
         updateConfig({
           vite: {
             build: {
-              sourcemap: true,
+              sourcemap: config.vite.build?.sourcemap ?? true,
             },
           },
         });