build(deps-dev): 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>

Author: dependabot[bot]

package-lock.json

@@ -21,7 +21,7 @@
         "form-backend-validation": "^2.3.9",
         "jquery": "^3.5.0",
         "laravel-mix": "^6.0.49",
-        "lodash": "^4.17.19",
+        "lodash": "^4.17.21",
         "popper.js": "^1.16.0",
         "resolve-url-loader": "^2.3.2",
         "sass": "^1.23.7",