Saving user details with a date of birth present crashes with PostgreSql

[CrispinF]

An exception occurred in the database while saving changes for context type '"cloudscribe.Core.Storage.EFCore.PostgreSql.CoreDbContext"'." ""Microsoft.EntityFrameworkCore.DbUpdateException: An error occurred while saving the entity changes. See the inner exception for details. ---> System.InvalidCastException: Cannot write DateTime with Kind=Unspecified to PostgreSQL type 'timestamp with time zone', only UTC is supported.