ci(travis): fix script npm run lint:dts

Author: remarkablemark

.travis.yml

@@ -7,7 +7,7 @@ script:
   # Lint last commit message from history
   - npx commitlint --from=HEAD~1
   - npm run lint
-  - npm run dtslint
+  - npm run lint:dts
   - npm run test:coverage
   - npm run build
   - npm run benchmark