Bump the actions-updates group across 1 directory with 2 updates

Bumps the actions-updates group with 2 updates in the / directory: [ethers](https://github.com/ethers-io/ethers.js) and [mocha](https://github.com/mochajs/mocha).


Updates `ethers` from 6.15.0 to 6.16.0
- [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@v6.15.0...v6.16.0)

Updates `mocha` from 11.7.2 to 11.7.5
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/v11.7.5/CHANGELOG.md)
- [Commits](mochajs/mocha@v11.7.2...v11.7.5)

---
updated-dependencies:
- dependency-name: ethers
  dependency-version: 6.16.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: actions-updates
- dependency-name: mocha
  dependency-version: 11.7.5
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: actions-updates
...

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Author: dependabot[bot]