Revert "Update guzzlehttp/guzzle requirement from 6.5.2 to 6.5.3 in /build/integration"
Revert "Update guzzlehttp/guzzle requirement from 6.5.2 to 6.5.3 in /build/integration"

andreas-p/nextcloud-server,nextcloud/server,andreas-p/nextcloud-server,nextcloud/server,andreas-p/nextcloud-server,nextcloud/server,nextcloud/server,andreas-p/nextcloud-server,andreas-p/nextcloud-server