chore(deps): bump pypdf in /databases/elasticsearch/docker/embed-docs (#1883)

Bumps [pypdf](https://github.com/py-pdf/pypdf) from 6.6.0 to 6.6.2.
- [Release notes](https://github.com/py-pdf/pypdf/releases)
- [Changelog](https://github.com/py-pdf/pypdf/blob/main/CHANGELOG.md)
- [Commits](py-pdf/pypdf@6.6.0...6.6.2)

---
updated-dependencies:
- dependency-name: pypdf
  dependency-version: 6.6.2
  dependency-type: direct:production
...

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