Update dependencies - v3.4.19.1

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Updating dependencies (including require-dev)
Restricting packages listed in "symfony/symfony" to "3.4.*"

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Package operations: 0 installs, 15 updates, 0 removals
  - Updating symfony/debug (v3.4.18 => v3.4.19): Loading from cache
  - Updating symfony/console (v3.4.18 => v3.4.19): Loading from cache
  - Updating symfony/routing (v3.4.18 => v3.4.19): Loading from cache
  - Updating symfony/yaml (v3.4.18 => v3.4.19): Loading from cache
  - Updating symfony/http-foundation (v3.4.18 => v3.4.19): Loading from cache
  - Updating symfony/event-dispatcher (v3.4.18 => v3.4.19): Loading from cache
  - Updating symfony/http-kernel (v3.4.18 => v3.4.19): Loading from cache
  - Updating symfony/finder (v3.4.18 => v3.4.19): Loading from cache
  - Updating symfony/filesystem (v3.4.18 => v3.4.19): Loading from cache
  - Updating symfony/dependency-injection (v3.4.18 => v3.4.19): Loading from cache
  - Updating symfony/config (v3.4.18 => v3.4.19): Loading from cache
  - Updating symfony/class-loader (v3.4.18 => v3.4.19): Loading from cache
  - Updating symfony/cache (v3.4.18 => v3.4.19): Loading from cache
  - Updating symfony/framework-bundle (v3.4.18 => v3.4.19): Loading from cache
  - Updating symfony/dotenv (v3.4.18 => v3.4.19): Loading from cache
Writing lock file
Generating autoload files

Author: Travis CI User