Updated dependencies

Ran `php composer.phar update`, all tests still pass.

| - Q. - | - A. - |
| ------ | ------ |
| Tickets | JIRA # N/A |
| Type | Tech Debt |
| BC breaks? |  no |
| Deprecations? | no |
| Docs | N/A |
| Build | [![Build Status](https://travis-ci.org/TransformCore/CSR-Fast-Stream-frontend.svg?branch=feature%2Fupdated-dependencies)](https://travis-ci.org/TransformCore/CSR-Fast-Stream-frontend) |
| Coverage | [![Code Coverage](https://scrutinizer-ci.com/g/TransformCore/CSR-Fast-Stream-frontend/badges/coverage.png?b=feature%2Fupdated-dependencies)](https://scrutinizer-ci.com/g/TransformCore/CSR-Fast-Stream-frontend/?branch=feature%2Fupdated-dependencies) |
| Quality | [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/TransformCore/CSR-Fast-Stream-frontend/badges/quality-score.png?b=feature%2Fupdated-dependencies)](https://scrutinizer-ci.com/g/TransformCore/CSR-Fast-Stream-frontend/?branch=feature%2Fupdated-dependencies) |