Bump lodash from 4.17.11 to 4.17.21

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.11 to 4.17.21.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](https://github.com/lodash/lodash/compare/4.17.11...4.17.21)

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

package-lock.json

@@ -5317,9 +5317,9 @@
             }
         },
         "lodash": {
-            "version": "4.17.11",
-            "resolved": "http://registry.npm.taobao.org/lodash/download/lodash-4.17.11.tgz",
-            "integrity": "sha1-s56mIp72B+zYniyN8SU2iRysm40=",
+            "version": "4.17.21",
+            "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+            "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
             "dev": true
         },
         "lodash._baseassign": {

package.json

@@ -15,7 +15,7 @@
         "cross-env": "^5.1",
         "jquery": "^3.2",
         "laravel-mix": "^4.0.7",
-        "lodash": "^4.17.5",
+        "lodash": "^4.17.21",
         "popper.js": "^1.12",
         "resolve-url-loader": "^2.3.1",
         "sass": "^1.15.2",