Fix Travis deployment check on cron

.travis.yml

@@ -16,4 +16,3 @@ deploy:
       # Set to deploy on: cron with recent commits
       branch: master
       condition: $(npm run can-release --silent)
-

package.json

@@ -8,7 +8,7 @@
 		"release:cws": "cd extension && webstore upload --auto-publish",
 		"release": "run-s build:minified update-version release:*",
 		"update-version": "dot-json extension/manifest.json version $(date -u +%y.%-m.%-d.%-H%M)",
-		"can-release": "if [ \"$TRAVIS_EVENT_TYPE\" = cron ] && [ $(git rev-list -n 1 --since=\"26 hours ago\" master) ]; then true; else false; fi"
+		"can-release": "if [ \"$TRAVIS_EVENT_TYPE\" = cron ] && [ $(git rev-list -n 1 --since=\"26 hours ago\" master) ]; then echo :ship-it:; else false; fi"
 	},
 	"dependencies": {
 		"copy-text-to-clipboard": "^1.0.3",