chore(deps): bump pypdf in the uv group across 1 directory (#84)

Bumps the uv group with 1 update in the / directory: [pypdf](https://github.com/py-pdf/pypdf).


Updates `pypdf` from 6.9.0 to 6.9.1
- [Release notes](https://github.com/py-pdf/pypdf/releases)
- [Changelog](https://github.com/py-pdf/pypdf/blob/main/CHANGELOG.md)
- [Commits](py-pdf/pypdf@6.9.0...6.9.1)

---
updated-dependencies:
- dependency-name: pypdf
  dependency-version: 6.9.1
  dependency-type: direct:production
  dependency-group: uv
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]