chore(deps): bump cryptography (#360)

Bumps the uv group with 1 update in the /py/web-transport directory: [cryptography](https://github.com/pyca/cryptography).


Updates `cryptography` from 48.0.1 to 50.0.0
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@48.0.1...50.0.0)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-version: 50.0.0
  dependency-type: direct:production
  dependency-group: uv
...

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Author: dependabot[bot]

py/web-transport/pyproject.toml

@@ -11,7 +11,7 @@ requires-python = ">=3.12"
 license = "MIT OR Apache-2.0"
 authors = [{ name = "ai-and-i", email = "ai.and.i.project@gmail.com" }]
 keywords = ["webtransport", "quic", "http3", "asyncio", "networking"]
-dependencies = ["cryptography>=48.0.1"]
+dependencies = ["cryptography>=50.0.0"]
 classifiers = [
     "Development Status :: 3 - Alpha",
     "License :: OSI Approved :: MIT License",