GH-47989: [Python][Docs] Add filters_to_expression to Parquet API reference

[Sansfear87]

Fixes #47989

Adds filters_to_expression to the Parquet autosummary section in formats.rst.
Documentation-only change.

• GitHub Issue: [Python][Docs] Add pyarrow.parquet.filters_to_expression to API reference docs #47989

[github-actions]

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[Sansfear87]

Hi, I added filters_to_expression to the Parquet autosummary in formats.rst (Fixes #47989). This is a documentation-only change. Let me know if any adjustments are needed. Thanks!

[AlenkaF]

Thanks for the contribution @Sansfear87!
Minor suggestion: when opening a PR it is advisable to update the existing GitHub Pull Request template and to check our contributing guidelines here: https://arrow.apache.org/docs/developers/overview.html#pull-request-and-review (PR title).

I have run the CI and will run the docs preview job, just to check the change renders correctly.

[AlenkaF]

@github-actions crossbow submit preview-docs

[github-actions]

Revision: 285c36d

Submitted crossbow builds: ursacomputing/crossbow @ actions-f6bd5325ed

Task	Status
preview-docs

[Sansfear87]

Thanks for the contribution @Sansfear87! Minor suggestion: when opening a PR it is advisable to update the existing GitHub Pull Request template and to check our contributing guidelines here: https://arrow.apache.org/docs/developers/overview.html#pull-request-and-review (PR title).

I have run the CI and will run the docs preview job, just to check the change renders correctly.

Thank you for the guidance! I’ll make sure to follow the PR template and title formatting in future PRs.

[AlenkaF]

Thanks for the contribution @Sansfear87, the change looks correct:
https://s3.amazonaws.com/arrow-data/pr_docs/48233/python/api/formats.html#parquet-files