build(deps): bump cryptography from 45.0.3 to 46.0.5 in /docs

Bumps [cryptography](https://github.com/pyca/cryptography) from 45.0.3 to 46.0.5.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/pyca/cryptography/compare/45.0.3...46.0.5)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-version: 46.0.5
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

docs/requirements.txt

@@ -7,7 +7,7 @@ build==1.2.2.post1
 certifi==2025.4.26
 cffi==1.17.1
 charset-normalizer==3.4.2
-cryptography==45.0.3
+cryptography==46.0.5
 css-html-js-minify==2.5.5
 docutils==0.21.2
 flake8==7.2.0