Replace dependency npm-run-all with npm-run-all2 ^5.0.0

Author: renovate[bot]

reactions/signalr/signalr-reaction/clients/react/package-lock.json

@@ -56,7 +56,7 @@
     "eslint-plugin-standard": "^4.0.1",
     "gh-pages": "^6.2.0",
     "microbundle-crl": "^0.13.10",
-    "npm-run-all": "^4.1.5",
+    "npm-run-all2": "^5.0.0",
     "prettier": "^2.0.4",
     "react": "^16.13.1",
     "react-dom": "^16.13.1",