Migrate execution_date database columns to logical_date

[uranusjr]

To conform with other AIP-39 changes. execution_date should still be kept on the class and emit a deprecation warning when accessed (either as a property or a filter). I think there's mechanism in SQLAlchemy for this out of the box.

[kaxil]

Is this still pending @uranusjr ?

[uranusjr]

Let's not do this in 2.3

[eladkal]

@uranusjr should we add this task also under AIP-83 project effort?

[uranusjr]

Ah I totally forgot this issue exists. Thanks, going to add it. The database level migration is already done, but we still need to rename the attribute on the model (and all references to it, obviously). We also don’t need to emit a deprecation warning since this is only for 3.0.

[phanikumv]

This is covered in #43902

[sunank200]

Now that this PR: #43902 is merged following is covered:

The database level migration is already done, but we still need to rename the attribute on the model (and all references to it, obviously). We also don’t need to emit a deprecation warning since this is only for 3.0