chore(deps): bump websockets from 14.2 to 15.0 (#576)

Bumps [websockets](https://github.com/python-websockets/websockets) from 14.2 to 15.0.
- [Release notes](https://github.com/python-websockets/websockets/releases)
- [Commits](python-websockets/websockets@14.2...15.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -47,5 +47,5 @@ urllib3==2.3.0; python_full_version >= "3.6.1" and python_version < "4"
 uvicorn==0.15.0; python_full_version >= "3.6.2" and python_full_version < "4.0.0"
 uvloop==0.21.0
 watchgod==0.8.2
-websockets==14.2
+websockets==15.0
 yarl==1.18.3; python_version >= "3.7" and python_version < "4.0"