chore(deps): Bump ws and @remotion/cli in /video (#58)

Bumps [ws](https://github.com/websockets/ws) to 8.21.0 and updates ancestor dependency [@remotion/cli](https://github.com/remotion-dev/remotion). These dependencies need to be updated together.


Updates `ws` from 8.17.1 to 8.21.0
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@8.17.1...8.21.0)

Updates `@remotion/cli` from 4.0.436 to 4.0.482
- [Release notes](https://github.com/remotion-dev/remotion/releases)
- [Commits](remotion-dev/remotion@v4.0.436...v4.0.482)

---
updated-dependencies:
- dependency-name: "@remotion/cli"
  dependency-version: 4.0.468
  dependency-type: direct:production
- dependency-name: ws
  dependency-version: 8.20.1
  dependency-type: indirect
...

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Author: dependabot[bot]