Support for ENTSOG profile 4.0

[beth-soptim]

ENTSOG has published a new version of their AS4 profile:

https://www.entsog.eu/interoperability-and-data-exchange-nc#as4-documents-for-implementation

https://www.entsog.eu/sites/default/files/2025-01/INT2819_25%20AS4%20Usage%20Profile_Version_4.0%20FINAL%20Public%20Review%20for%20Comments.pdf

phase4 currently supports only version 3.6 (I guess).