Backend dependencies update.
Backend dependencies update.

Changelogs summary:

 - symfony/service-contracts updated from v3.1.0 to v3.1.1 patch
   See changes: https://github.com/symfony/service-contracts/compare/v3.1.0...v3.1.1
   Release notes: https://github.com/symfony/service-contracts/releases/tag/v3.1.1

 - symfony/deprecation-contracts updated from v3.1.0 to v3.1.1 patch
   See changes: https://github.com/symfony/deprecation-contracts/compare/v3.1.0...v3.1.1
   Release notes: https://github.com/symfony/deprecation-contracts/releases/tag/v3.1.1

 - symfony/event-dispatcher-contracts updated from v3.1.0 to v3.1.1 patch
   See changes: https://github.com/symfony/event-dispatcher-contracts/compare/v3.1.0...v3.1.1
   Release notes: https://github.com/symfony/event-dispatcher-contracts/releases/tag/v3.1.1

 - codeception/codeception updated from 5.0.0-RC4 to 5.0.0-RC5 patch
   See changes: https://github.com/Codeception/Codeception/compare/5.0.0-RC4...5.0.0-RC5
   Release notes: https://github.com/Codeception/Codeception/releases/tag/5.0.0-RC5

 - aws/aws-sdk-php updated from 3.228.3 to 3.228.5 patch
   See changes: https://github.com/aws/aws-sdk-php/compare/3.228.3...3.228.5
   Release notes: https://github.com/aws/aws-sdk-php/releases/tag/3.228.5

 - symfony/translation-contracts updated from v3.1.0 to v3.1.1 patch
   See changes: https://github.com/symfony/translation-contracts/compare/v3.1.0...v3.1.1
   Release notes: https://github.com/symfony/translation-contracts/releases/tag/v3.1.1

 - symfony/cache-contracts updated from v3.1.0 to v3.1.1 patch
   See changes: https://github.com/symfony/cache-contracts/compare/v3.1.0...v3.1.1
   Release notes: https://github.com/symfony/cache-contracts/releases/tag/v3.1.1

 - roave/security-advisories updated from dev-latest@880f953 to dev-latest@82cfc46
   See changes: https://github.com/Roave/SecurityAdvisories/compare/880f953...82cfc46

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