Bump phpoffice/phpspreadsheet from 3.9.0 to 3.9.1 (#11444)

Bumps [phpoffice/phpspreadsheet](https://github.com/PHPOffice/PhpSpreadsheet) from 3.9.0 to 3.9.1.
- [Release notes](https://github.com/PHPOffice/PhpSpreadsheet/releases)
- [Changelog](https://github.com/PHPOffice/PhpSpreadsheet/blob/3.9.1/CHANGELOG.md)
- [Commits](PHPOffice/PhpSpreadsheet@3.9.0...3.9.1)

---
updated-dependencies:
- dependency-name: phpoffice/phpspreadsheet
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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