Update dependency npm-run-all2 to v8

Author: renovate[bot]

package-lock.json

@@ -35,7 +35,7 @@
     "@types/jest": "24.9.1",
     "@types/node": "12.20.55",
     "jest": "24.9.0",
-    "npm-run-all2": "5.0.2",
+    "npm-run-all2": "8.0.4",
     "rimraf": "3.0.2",
     "ts-jest": "24.3.0",
     "tslint": "5.20.1",