build: Updating lodash to 4.17.19
build: Updating lodash to 4.17.19

* https://npmjs.com/advisories/1523
* CVE-2019-10744

Change-Id: I1c49d4a958c4b2b34c2eba445e21d22dc76d40e3

wikimedia/mediawiki-extensions-Kartographer,wikimedia/mediawiki-extensions-Kartographer,wikimedia/mediawiki-extensions-Kartographer