Bump lodash from 4.17.19 to 4.17.21

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.19 to 4.17.21.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.19...4.17.21)

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -24,7 +24,7 @@
     "googleapis": "^39.2.0",
     "guid": "0.0.12",
     "http-errors": "~1.6.2",
-    "lodash": "^4.17.19",
+    "lodash": "^4.17.21",
     "mocha": "^6.2.2",
     "mongoose": "^5.7.9",
     "morgan": "~1.9.0",

yarn.lock

@@ -1232,7 +1232,7 @@ locate-path@^3.0.0:
     p-locate "^3.0.0"
     path-exists "^3.0.0"
 
-lodash@^4.17.11, lodash@^4.17.15, lodash@^4.17.19:
+lodash@^4.17.11, lodash@^4.17.15, lodash@^4.17.21:
   version "4.17.21"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
   integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==