DOC-1149: Documentation Code Snippets Testing (#24089)
DOC-1149: Documentation Code Snippets Testing (#24089)

 - update payment method example
 - add behat test for ACMECollectOnDeliveryBundle
 - create separate composer for documentation examples
 - run checks on CI
 - add oro.integrity_check as sphinx extension and add it to requirements.txt
 - lock NelmioApiBundle to 2.13.3 version
orocrm/platform,orocrm/platform,orocrm/platform