Bump lodash from 4.17.20 to 4.17.21 (#119)

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.20 to 4.17.21.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.20...4.17.21)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -37,7 +37,7 @@
     "coveralls": "3.1.1",
     "jasmine": "3.6.1",
     "jasmine-spec-reporter": "6.0.0",
-    "lodash": "4.17.20",
+    "lodash": "4.17.21",
     "mock-require": "3.0.3",
     "nyc": "15.1.0",
     "rimraf": "3.0.2"