chore(deps): bump lodash from 4.17.15 to 4.17.19 in /frontend

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.15 to 4.17.19.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](https://github.com/lodash/lodash/compare/4.17.15...4.17.19)

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

frontend/package.json

@@ -16,7 +16,7 @@
     "@nuxtjs/proxy": "^2.0.0",
     "@nuxtjs/pwa": "^3.0.0-beta.20",
     "@vue/composition-api": "^1.0.0-beta.1",
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.19",
     "moment": "^2.27.0",
     "nuxt": "^2.13.0",
     "nuxt-typed-vuex": "^0.1.19"