ci: collect test coverage on electron (#2335)

apps/electron/tests/setup.ts

@@ -1,7 +1,8 @@
 import { execSync } from 'node:child_process';
+import { join } from 'node:path';
 
 export default async function () {
   execSync('yarn ts-node-esm scripts/', {
-    cwd: path.join(__dirname, '..'),
+    cwd: join(__dirname, '..'),
   });
 }