build: Updating development dependencies
build: Updating development dependencies

* grunt-jsonlint: 1.0.4 → 1.0.7

Change-Id: I5a4f0700f29a2fcc0af8ecda2ba5538c3791a395

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