release: Multi-Hoster-Upload v2.0.3

tests/package-build-files.test.js

@@ -0,0 +1,8 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const packageJson = require('../package.json');
+
+test('packages every Electron preload referenced by the main process', () => {
+  assert.ok(packageJson.build.files.includes('preload.js'));
+  assert.ok(packageJson.build.files.includes('preload-drop-target.js'));
+});