Bump the prod-dependencies group with 4 updates

Bumps the prod-dependencies group with 4 updates: [fastexcel](https://github.com/ToucanToco/fastexcel), [pdfplumber](https://github.com/jsvine/pdfplumber), [polars](https://github.com/pola-rs/polars) and [pyarrow](https://github.com/apache/arrow).


Updates `fastexcel` from 0.18.0 to 0.19.0
- [Release notes](https://github.com/ToucanToco/fastexcel/releases)
- [Commits](ToucanToco/fastexcel@v0.18.0...v0.19.0)

Updates `pdfplumber` from 0.11.8 to 0.11.9
- [Release notes](https://github.com/jsvine/pdfplumber/releases)
- [Changelog](https://github.com/jsvine/pdfplumber/blob/stable/CHANGELOG.md)
- [Commits](jsvine/pdfplumber@v0.11.8...v0.11.9)

Updates `polars` from 1.37.1 to 1.38.1
- [Release notes](https://github.com/pola-rs/polars/releases)
- [Commits](pola-rs/polars@py-1.37.1...py-1.38.1)

Updates `pyarrow` from 23.0.0 to 23.0.1
- [Release notes](https://github.com/apache/arrow/releases)
- [Commits](apache/arrow@apache-arrow-23.0.0...apache-arrow-23.0.1)

---
updated-dependencies:
- dependency-name: fastexcel
  dependency-version: 0.19.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: prod-dependencies
- dependency-name: pdfplumber
  dependency-version: 0.11.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: prod-dependencies
- dependency-name: polars
  dependency-version: 1.38.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: prod-dependencies
- dependency-name: pyarrow
  dependency-version: 23.0.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: prod-dependencies
...

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Author: dependabot[bot]