[Bug] cart item quantity change does not work

[mkucmus]

What happened?

increase and decrease buttons don't react on change, and there is no corresponding request that may change the item's quantity in the cart.

affected component: SwCartProduct

Steps To Reproduce

No response

Is there an existing issue for this?

• I have searched the existing issues

Version

Canary (generated by CLI)

Which element is affected?

No response

Environment

- OS: 
- Node: 
- Shopware API: 
- Shopware PWA version:

Relevant log output

No response