updated to new composer lock file
updated to new composer lock file

requires updating composer to the latest version

peterkokot/symfony-cmf-standard,symfony-cmf/symfony-cmf-standard,Slidee/sf-cmf-slidev,Slidee/sf-cmf-slidev,peterkokot/symfony-cmf-standard,symfony-cmf/symfony-cmf-standard,Slidee/sf-cmf-slidev,peterkokot/symfony-cmf-standard,symfony-cmf/symfony-cmf-standard