More deprecation errors when running the module in PHP8.2

[bramstroker]

See error message / stacktrace.

2024-02-28T15:12:03.311766+00:00] main.CRITICAL: Exception: Deprecated Functionality: Creation of dynamic property DHLParcel\Shipping\Model\Data\Api\Response\Capability\ParcelType::$productKey is deprecated in /var/domains/xx/application/releases/131/vendor/dhlparcel/magento2-plugin/Model/Service/Capability.php on line 116 in /var/domains/xx/application/releases/131/vendor/magento/framework/App/ErrorHandler.php:62
Stack trace:
#0 /var/domains/xx/application/releases/131/vendor/dhlparcel/magento2-plugin/Model/Service/Capability.php(116): Magento\Framework\App\ErrorHandler->handler(8192, 'Creation of dyn...', '/var/domains/ca...', 116)
#1 /var/domains/xx/application/releases/131/vendor/dhlparcel/magento2-plugin/Model/Carrier.php(176): DHLParcel\Shipping\Model\Service\Capability->getSizes('1', 'NL', '3911TS', false, Array)
#2 /var/domains/xx/application/releases/131/vendor/emico/dhl-parcel-shipping/Model/Carrier.php(67): DHLParcel\Shipping\Model\Carrier->getShippingMethod(Object(Magento\Quote\Model\Quote\Address\RateRequest), 'door', Array)
#3 /var/domains/xx/application/releases/131/vendor/dhlparcel/magento2-plugin/Model/Carrier.php(124): Emico\DhlParcelShipping\Model\Carrier->getShippingMethod(Object(Magento\Quote\Model\Quote\Address\RateRequest), 'door', Array)
#4 /var/domains/xx/application/releases/131/vendor/magento/module-shipping/Model/Shipping.php(335): DHLParcel\Shipping\Model\Carrier->collectRates(Object(Magento\Quote\Model\Quote\Address\RateRequest))
#5 /var/domains/xx/application/releases/131/vendor/magento/module-shipping/Model/Shipping.php(244): Magento\Shipping\Model\Shipping->collectCarrierRates('dhlparcel', Object(Magento\Quote\Model\Quote\Address\RateRequest))
#6 /var/domains/xx/application/releases/131/vendor/magento/module-quote/Model/Quote/Address.php(1077): Magento\Shipping\Model\Shipping->collectRates(Object(Magento\Quote\Model\Quote\Address\RateRequest))
#7 /var/domains/xx/application/releases/131/vendor/magento/module-quote/Model/Quote/Address.php(1004): Magento\Quote\Model\Quote\Address->requestShippingRates()
#8 /var/domains/xx/application/releases/131/vendor/magento/module-quote/Model/Quote/Address/Total/Shipping.php(83): Magento\Quote\Model\Quote\Address->collectShippingRates()
#9 /var/domains/xx/application/releases/131/vendor/magento/module-quote/Model/Quote/TotalsCollector.php(261): Magento\Quote\Model\Quote\Address\Total\Shipping->collect(Object(Magento\Quote\Model\Quote\Interceptor), Object(Magento\Quote\Model\ShippingAssignment), Object(Magento\Quote\Model\Quote\Address\Total))