Merge pull request #4819 from LLK/greenkeeper/scratch-l10n-3.3.20190515143901

Update scratch-l10n to the latest version 

package.json

@@ -106,7 +106,7 @@
     "rimraf": "^2.6.1",
     "scratch-audio": "0.1.0-prerelease.20190114210212",
     "scratch-blocks": "0.1.0-prerelease.1557852594",
-    "scratch-l10n": "3.3.20190513203303",
+    "scratch-l10n": "3.3.20190515143901",
     "scratch-paint": "0.2.0-prerelease.20190430175441",
     "scratch-render": "0.1.0-prerelease.20190419202157",
     "scratch-storage": "1.2.2",