Bump websockets from 14.1 to 16.0

Bumps [websockets](https://github.com/python-websockets/websockets) from 14.1 to 16.0.
- [Release notes](https://github.com/python-websockets/websockets/releases)
- [Commits](python-websockets/websockets@14.1...16.0)

---
updated-dependencies:
- dependency-name: websockets
  dependency-version: '16.0'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements.txt

@@ -10,7 +10,7 @@ anthropic==0.43.0
 pydantic==2.10.4
 pydantic-settings==2.7.1
 python-multipart==0.0.20
-websockets==14.1
+websockets==16.0
 httpx==0.28.1
 passlib==1.7.4
 bcrypt==4.2.1