Bump lodash from 4.17.15 to 4.17.21

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.15 to 4.17.21.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.15...4.17.21)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -76,7 +76,7 @@
 		"hoek": "^5.0.4",
 		"husky": "^3.1.0",
 		"inquirer": "^5.2.0",
-		"lodash": "^4.17.14",
+		"lodash": "^4.17.21",
 		"matchdep": "^2.0.0",
 		"md5": "^2.2.1",
 		"memize": "^1.0.5",

yarn.lock

@@ -7408,10 +7408,10 @@ lodash.throttle@^4.0.0:
   resolved "https://registry.yarnpkg.com/lodash.throttle/-/lodash.throttle-4.1.1.tgz#c23e91b710242ac70c37f1e1cda9274cc39bf2f4"
   integrity sha1-wj6RtxAkKscMN/HhzaknTMOb8vQ=
 
-lodash@^4.0.0, lodash@^4.1.1, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.3.0, lodash@^4.7.0, lodash@^4.8.0, lodash@^4.8.2, lodash@~4.17.10, lodash@~4.17.11, lodash@~4.17.5:
-  version "4.17.15"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
+lodash@^4.0.0, lodash@^4.1.1, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.21, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.3.0, lodash@^4.7.0, lodash@^4.8.0, lodash@^4.8.2, lodash@~4.17.10, lodash@~4.17.11, lodash@~4.17.5:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 log-symbols@^1.0.2:
   version "1.0.2"