feat: Environment(all endpoints have been updated from scheme repositories/{repository_id} to /repos/{owner}/{repo}), adds field repository.security.advisory (checkPrivateVulnerabilityReporting), docs(various resource docs have been updated and added)

feat: Environment(all endpoints have been updated from scheme repositories/{repository_id} to /repos/{owner}/{repo}), adds field repository.security.advisory (checkPrivateVulnerabilityReporting), docs(various resource docs have been updated and added) #1857