Update .travis.yml

Author: jeremykenedy

.travis.yml

@@ -25,7 +25,7 @@ before_script:
   - composer install --prefer-source --no-interaction
   - composer require jeremykenedy/laravel-logger
   - php artisan key:generate
-  - php artisan vendor:publish --tag=laravellogger
+  - php artisan vendor:publish --tag=LaravelLogger
   - php artisan make:auth
   - composer dump-autoload
   - php artisan clear-compiled