merge headers in `OperatorTrait::sendRequest` (php-opencloud#427)

* merge headers in `OperatorTrait::sendRequest`

* remove bobcat integration tests

remove wallaby and yoga due to ubuntu 20.04 deprecation (php-openclou…

…d#425)

extend FloatingIP with description and subnet_id (php-opencloud#421)

Add optional `description` and `subnet_id` parameters to Floating IPs creation endpoint.

feat: Add PHP 8.4 support (php-opencloud#415)

Signed-off-by: Joas Schilling <coding@schilljs.com>
Co-authored-by: Konstantin Babushkin <koka@idwrx.com>

make swift metadata header case insensitive (php-opencloud#407)

* compare headers case insensitively
* drop support of unmaintained releases in CI (until they are returned in github action).

enchance error builder: output body only for json, limit body to 5 Kb (…

…php-opencloud#405)

fixes php-opencloud#403
supersedes php-opencloud#404

add errorVerbosity (php-opencloud#400)

fixes php-opencloud#335
fixes php-opencloud#398

Fix Swift container requests with "tokens" in its name (php-opencloud…

…#396)

Resume suspend server (php-opencloud#394)

* Implement resuming and suspending of servers

---------

Co-authored-by: Martin Zurowietz <martin@zurowietz.de>

return HandlerStack for BC (php-opencloud#391)

* return HandlerStack for Backward Compatibility - php-opencloud#382