[RELEASE] Connect for Commerce 23.1.2

[hartwich]

The release notes for this build are available online at

https://docs.e-spirit.com/ecom/fsconnect-com/FirstSpirit_Connect_for_Commerce_Releasenotes_DE.html#v... 

and

https://docs.e-spirit.com/ecom/fsconnect-com/FirstSpirit_Connect_for_Commerce_Releasenotes_EN.html#v...