feat: Sort globbed files to ensure deterministic bundle IDs (#318)

Co-authored-by: Luca Forstner <luca.forstner@sentry.io>

Author: smbroadley

packages/bundler-plugin-core/src/debug-id-upload.ts

@@ -89,6 +89,10 @@ export function createDebugIdUploadFunction({
           debugIdChunkFilePath.endsWith(".cjs")
       );
 
+      // The order of the files output by glob() is not deterministic
+      // Ensure order within the files so that {debug-id}-{chunkIndex} coupling is consistent
+      debugIdChunkFilePaths.sort();
+
       if (Array.isArray(assets) && assets.length === 0) {
         logger.debug(
           "Empty `sourcemaps.assets` option provided. Will not upload sourcemaps with debug ID."