deps: bump ethers from 6.13.3 to 6.13.4 (#611)

Bumps [ethers](https://github.com/ethers-io/ethers.js) from 6.13.3 to 6.13.4.
- [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@v6.13.3...v6.13.4)

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

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