Bump ws and ethers in /smart-contract

Bumps [ws](https://github.com/websockets/ws) and [ethers](https://github.com/ethers-io/ethers.js). These dependencies needed to be updated together.

Updates `ws` from 8.5.0 to 8.17.1
- [Release notes](https://github.com/websockets/ws/releases)
- [Commits](websockets/ws@8.5.0...8.17.1)

Updates `ethers` from 6.10.0 to 6.13.1
- [Release notes](https://github.com/ethers-io/ethers.js/releases)
- [Changelog](https://github.com/ethers-io/ethers.js/blob/main/CHANGELOG.md)
- [Commits](ethers-io/ethers.js@v6.10.0...v6.13.1)

---
updated-dependencies:
- dependency-name: ws
  dependency-type: indirect
- dependency-name: ethers
  dependency-type: indirect
...

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