updating docs for services api v2.4
updating docs for services api v2.4

[#81197044]

bridgetkromhout/docs-dev-guide,krujos/docs-dev-guide,summerzhao/docs-dev-guide,logit-io/docs-dev-guide,cloudfoundry/docs-dev-guide,shalako/docs-dev-guide,cwest/docs-dev-guide