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

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

Change-Id: I5fb5d92355210c0511ef2e7851d9511dc81da155

wikimedia/mediawiki-extensions-TitleIcon,wikimedia/mediawiki-extensions-TitleIcon