chore(deps): bump the pip group across 1 directory with 2 updates

Bumps the pip group with 2 updates in the / directory: [pypdf](https://github.com/py-pdf/pypdf) and [urllib3](https://github.com/urllib3/urllib3).


Updates `pypdf` from 6.4.0 to 6.6.0
- [Release notes](https://github.com/py-pdf/pypdf/releases)
- [Changelog](https://github.com/py-pdf/pypdf/blob/main/CHANGELOG.md)
- [Commits](py-pdf/pypdf@6.4.0...6.6.0)

Updates `urllib3` from 2.6.0 to 2.6.3
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.6.0...2.6.3)

---
updated-dependencies:
- dependency-name: pypdf
  dependency-version: 6.6.0
  dependency-type: direct:production
  dependency-group: pip
- dependency-name: urllib3
  dependency-version: 2.6.3
  dependency-type: direct:production
  dependency-group: pip
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -173,7 +173,7 @@ pydeck==0.9.1
 Pygments==2.19.1
 pylatexenc==2.10
 pyparsing==3.2.3
-pypdf==6.4.0
+pypdf==6.6.0
 pypdfium2==4.30.0
 pytest==8.4.2
 python-bidi==0.6.6
@@ -233,7 +233,7 @@ typing_extensions==4.14.0
 tzdata==2025.2
 ucimlrepo==0.0.7
 uritemplate==4.2.0
-urllib3==2.6.0
+urllib3==2.6.3
 uv==0.9.6
 uvicorn==0.34.3
 virtualenv==20.35.3