refactor: update generated models from apify-docs PR #2403 (#707)

This PR updates the auto-generated Pydantic models based on OpenAPI
specification changes in [apify-docs PR
#2403](https://github.com/apify/apify-docs/pull/2403).

## Changes

- Regenerated `src/apify_client/_models.py` using `datamodel-codegen`

## Source

- apify-docs PR: https://github.com/apify/apify-docs/pull/2403

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Co-authored-by: apify-service-account <apify-service-account@users.noreply.github.com>
Co-authored-by: Josef Prochazka <josef.prochazka@apify.com>