build(deps): 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](https://github.com/lodash/lodash/compare/4.17.19...4.17.21)

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

package.json

@@ -47,7 +47,7 @@
     "@ngx-translate/core": "11.0.1",
     "chart.js": "3.0.0-alpha",
     "core-js": "2.5.0",
-    "lodash": "4.17.19",
+    "lodash": "4.17.21",
     "rxjs": "6.6.2",
     "tslib": "1.10.0",
     "zone.js": "0.10.2"