Update pyopenssl requirement from <26.3,>=23.0 to >=23.0,<26.4

Updates the requirements on [pyopenssl](https://github.com/pyca/pyopenssl) to permit the latest version.
- [Changelog](https://github.com/pyca/pyopenssl/blob/main/CHANGELOG.rst)
- [Commits](pyca/pyopenssl@23.0.0...26.3.0)

---
updated-dependencies:
- dependency-name: pyopenssl
  dependency-version: 26.3.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

pyproject.toml

@@ -44,7 +44,7 @@ test = [
     'flake8>=5,<8',
     'psutil',
     'pycodestyle>=2.9,<2.15',
-    'pyOpenSSL>=23.0,<26.3',
+    'pyOpenSSL>=23.0,<26.4',
     'mypy>=0.800'
 ]
 dev = [