Merge pull request #4497 from LLK/greenkeeper/scratch-l10n-3.1.20190206143031

Update scratch-l10n to the latest version 

package.json

@@ -105,7 +105,7 @@
     "rimraf": "^2.6.1",
     "scratch-audio": "0.1.0-prerelease.20190114210212",
     "scratch-blocks": "0.1.0-prerelease.1549376808",
-    "scratch-l10n": "3.1.20190130142816",
+    "scratch-l10n": "3.1.20190206143031",
     "scratch-paint": "0.2.0-prerelease.20190114205252",
     "scratch-render": "0.1.0-prerelease.20190128154859",
     "scratch-storage": "1.2.2",