Bump pyopenssl from 25.3.0 to 26.0.0 in /server (#367)

Bumps [pyopenssl](https://github.com/pyca/pyopenssl) from 25.3.0 to 26.0.0.
- [Changelog](https://github.com/pyca/pyopenssl/blob/main/CHANGELOG.rst)
- [Commits](pyca/pyopenssl@25.3.0...26.0.0)

---
updated-dependencies:
- dependency-name: pyopenssl
  dependency-version: 26.0.0
  dependency-type: indirect
...

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