Fix tests & update deps

Fix tests & update deps

  - Updating twig/twig (v2.12.0 => v2.12.1)
  - Updating symfony/mime (v4.3.4 => v4.3.5)
  - Updating friendsofsymfony/rest-bundle (2.5.0 => 2.6.0)
  - Updating j0k3r/graby-site-config (1.0.91 => 1.0.93)
  - Updating monolog/monolog (1.24.0 => 1.25.1)
  - Updating simplepie/simplepie (1.5.2 => 1.5.3)
  - Updating symfony/http-client-contracts (v1.1.6 => v1.1.7)
  - Updating symfony/http-client (v4.3.4 => v4.3.5)
  - Updating nette/utils (v3.0.1 => v3.0.2)
  - Updating phpstan/phpstan (0.11.17 => 0.11.18)
  - Updating zendframework/zend-code (3.3.2 => 3.4.0)
  - Updating php-amqplib/php-amqplib (v2.10.0 => v2.10.1)
  - Updating beberlei/assert (v3.2.3 => v3.2.6)
  - Updating zendframework/zend-diactoros (2.1.3 => 2.1.5)
  - Updating sentry/sentry (2.2.1 => 2.2.2)