Adyen Payment 6.0.0

[PW-1286]: Boleto state code truncated in Payment request #123
[PW-1369]: Checkout Version Upgrade to 3.0.0 #124
[PW-1476]: updated java library version to 2.4.1 #125
[PW-1212]: Klarna new integration support and session attributes cleanup #126
[PW-529]: Dynamic origin key support #127

Important changes in this release:

1. Old klarna integration support is removed. All Klarna requests will be processed on new integration.
2. Origin key configurations from backoffice is removed. Origin key will be generated dynamically and used in checkout components. No need to configure origin key anymore.
3. Paypal ECS change is not compatible anymore. Planning to cleanup deadcode in future releases.