Bump lodash from 4.17.15 to 4.17.19

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>

package.json

@@ -78,7 +78,7 @@
     "leaflet.markercluster": "^1.4.1",
     "less": "^3.8.1",
     "less-middleware": "~2.2.1",
-    "lodash": "^4.17.10",
+    "lodash": "^4.17.19",
     "npm": "^6.14.3",
     "optimize-css-assets-webpack-plugin": "^5.0.1",
     "pt-sans-cyrillic": "0.0.4",