Bump lodash

Author: pzarfos

package-lock.json

@@ -39,7 +39,7 @@
   "homepage": "https://github.com/firebase/firebase-functions-test#readme",
   "dependencies": {
     "@types/lodash": "^4.14.104",
-    "lodash": "^4.17.5",
+    "lodash": "^4.17.21",
     "ts-deepmerge": "^2.0.1"
   },
   "devDependencies": {