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](https://github.com/lodash/lodash/compare/4.17.15...4.17.21)

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

package.json

@@ -13,7 +13,7 @@
         "axios": "^0.19",
         "cross-env": "^5.1",
         "laravel-mix": "^4.0.7",
-        "lodash": "^4.17.13",
+        "lodash": "^4.17.21",
         "resolve-url-loader": "^2.3.1",
         "sass": "^1.15.2",
         "sass-loader": "^7.1.0",