Pydantic V2 migration finish

[sanderegg]

Event Horizon

• ♻️ Remove deprecated from_orm method (Pydantic v2) #6869
• ♻️ Clean deprecated (Pydantic v2) #6955
• Fix Pydantic serialization warnings #6992
• manual testing of forntend features @matusdrobuliak @GitHK
• include parameter with dict errors @sanderegg
• check for deprecation warnings in all CI jobs @giancarloromeo
• Fix all the serializer warnings in prod and tests @giancarloromeo