pip(deps): bump trio-websocket from 0.10.2 to 0.10.3

Bumps [trio-websocket](https://github.com/HyperionGray/trio-websocket) from 0.10.2 to 0.10.3.
- [Changelog](https://github.com/HyperionGray/trio-websocket/blob/master/CHANGELOG.md)
- [Commits](python-trio/trio-websocket@0.10.2...0.10.3)

---
updated-dependencies:
- dependency-name: trio-websocket
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]