build(deps): bump ethers from 5.7.2 to 6.0.8

Bumps [ethers](https://github.com/ethers-io/ethers.js) from 5.7.2 to 6.0.8.
- [Release notes](https://github.com/ethers-io/ethers.js/releases)
- [Changelog](https://github.com/ethers-io/ethers.js/blob/main/CHANGELOG.md)
- [Commits](https://github.com/ethers-io/ethers.js/commits)

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

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

Author: dependabot[bot]