chore(deps): bump lodash from 3.10.1 to 4.17.21 in /typescript-backbone

Bumps [lodash](https://github.com/lodash/lodash) from 3.10.1 to 4.17.21.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@3.10.1...4.17.21)

---
updated-dependencies:
- dependency-name: lodash
  dependency-type: direct:production
...

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

typescript-backbone/package.json

@@ -4,7 +4,7 @@
     "backbone": "^1.1.2",
     "backbone.localstorage": "^1.1.16",
     "jquery": "^2.1.3",
-    "lodash": "^3.1.0",
+    "lodash": "^4.17.21",
     "todomvc-app-css": "^2.0.0",
     "todomvc-common": "^1.0.1"
   },