Merge pull request #8259 from nextcloud/guzzle6

3rdparty

build/integration/composer.json

build/integration/features/bootstrap/Auth.php

build/integration/features/bootstrap/BasicStructure.php

build/integration/features/bootstrap/CalDavContext.php

build/integration/features/bootstrap/CapabilitiesContext.php

build/integration/features/bootstrap/CardDavContext.php

build/integration/features/bootstrap/ChecksumsContext.php

build/integration/features/bootstrap/CommandLine.php

build/integration/features/bootstrap/CommentsContext.php

build/integration/features/bootstrap/FederationContext.php

build/integration/features/bootstrap/FilesDropContext.php

build/integration/features/bootstrap/LDAPContext.php

build/integration/features/bootstrap/Provisioning.php

build/integration/features/bootstrap/ShareesContext.php

build/integration/features/bootstrap/Sharing.php

build/integration/features/bootstrap/TagsContext.php

build/integration/features/bootstrap/WebDav.php

lib/private/Files/Storage/DAV.php

lib/private/Http/Client/Client.php