[DOCS] add `nested_type` examples for `structured_dataset.py`

[austin362667]

Add structured_dataset_nested_type examples in documentation.

https://github.com/flyteorg/flytekit/pull/2252

[austin362667]

Should I run pip-compile dev-requirements.in --upgrade --verbose --resolver=backtracking and pip-compile docs-requirements.in --upgrade --verbose --resolver=backtracking ?

FYR https://docs.flyte.org/projects/cookbook/en/latest/contribute.html#updating-dependencies

After running the commands, it appears that all the dependencies have been upgraded.

[neverett]

Should I run pip-compile dev-requirements.in --upgrade --verbose --resolver=backtracking and pip-compile docs-requirements.in --upgrade --verbose --resolver=backtracking ?

FYR https://docs.flyte.org/projects/cookbook/en/latest/contribute.html#updating-dependencies

After running the commands, it appears that all the dependencies have been upgraded.

I don't think you need to do that, since you're only changing the requirements for a specific example and not the entire repo -- @pingsutw does that sound right to you?

[austin362667]

Got it, thank you!

[pingsutw]

right, you don't need to run pip-compile

[neverett]

@austin362667 I tried rerunning the failing tests, but I think you'll need to merge master into your branch to get the tests to pass.

[eapolinario]

This change is causing a general slowdown in flytesnacks CI checks in master, e.g.: https://github.com/flyteorg/flytesnacks/actions/runs/8978906994/job/24696216089