Change execSync/spawnSync to async (#4123)

* WIP

* Add missing await

* Update package-lock.json

package.json

@@ -130,6 +130,7 @@
         "playwright-core": "~1.35.1",
         "prom-client": "~13.2.0",
         "prometheus-api-metrics": "~3.2.1",
+        "promisify-child-process": "~4.1.2",
         "protobufjs": "~7.2.4",
         "qs": "~6.10.4",
         "redbean-node": "~0.3.0",