Automate updating sqllogictest updates

[alamb]

Is your feature request related to a problem or challenge?

• Part of [EPIC] Run full sqllogic / sqlite test suite against DataFusion #13811

Now we have the sqlite test suite running against commits to main (see #13967) we need to make sure it the expected answers easy to update when needed

The first examples comes in #14156 (❤ @avkirilishin ) that fixes a bug so we need to update the sqlite expected results with the correct answer

As @Omega359 says on #14156 (comment) apparently this is hard to do

On the flip side I'm the only one currently that can automatically regenerate the slt files so someone doesn't have to manually fix a few hundred or few thousand test cases (I have hacked up code to do it with a hacked side-branch of the sqllogictest-rs repo to do the generation).

Describe the solution you'd like

I would like a documented way for someone other than @Omega359 to update the expected results :)

Describe alternatives you've considered

No response

Additional context

No response

[Omega359]

First cut:

https://gist.github.com/Omega359/fd30f1e2807f08033c65957b5233fd0b