Bump websockets from 12.0 to 13.1

Bumps [websockets](https://github.com/python-websockets/websockets) from 12.0 to 13.1.
- [Release notes](https://github.com/python-websockets/websockets/releases)
- [Commits](python-websockets/websockets@12.0...13.1)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -23,5 +23,5 @@ pydantic==1.10.18
 Werkzeug==3.0.4
 graphql-core==3.2.4
 gql==3.5.0
-websockets==12.0
+websockets==13.1
 asyncwebsockets==0.9.4