chore: bump @types/lodash to latest version

Author: HassanBahati

package-lock.json

@@ -38,7 +38,8 @@
   },
   "homepage": "https://github.com/firebase/firebase-functions-test#readme",
   "dependencies": {
-    "@types/lodash": "^4.14.104",
+    "@types/lodash": "^4.17.20",
+    "install": "^0.13.0",
     "lodash": "^4.17.5",
     "ts-deepmerge": "^2.0.1"
   },