build: Fix npm run benchmark

Author: mattgodbolt

package.json

@@ -87,7 +87,7 @@
     "test:cpu": "node tests/test-suite.js",
     "coverage:unit": "vitest run tests/unit --coverage",
     "coverage:all-tests": "vitest run --coverage",
-    "benchmark": "node app-bench.js",
+    "benchmark": "node src/app-bench.js",
     "electron": "npm run build && ELECTRON_DISABLE_SANDBOX=1 electron .",
     "electron:build": "electron-builder"
   },