Bump zend-servicemanager to ^3.4#273

Xerkus wants to merge 1 commit intozendframework:masterzendframework/zend-expressive-skeleton:masterfrom

Xerkus:hotfix/zend-view-support-for-psr-containerXerkus/zend-expressive-skeleton:hotfix/zend-view-support-for-psr-containerCopy head branch name to clipboard