When EMAIL_USE_LOCALTIME=True, send emails with a Date header
in the local time zone.

Fixed #26667 -- Fixed a regression in queries on a OneToOneField that has to_field and primary_key=True.

Thanks Simon Charette for review.

Thanks marekw2143 for the initial patch and carljm for support.

Fixed #26638 -- Allowed callable arguments for QuerySet.get_or_create()/update_or_create() defaults.

Fixed #26672 -- Fixed HStoreField to raise ValidationError instead of crashing on non-dict JSON input.

Thanks Cristiano Coelho for the report and Tim Graham for the review.