chore(deps-dev): bump eslint-config-amex from 16.1.0 to 16.4.0 (#194)

Bumps [eslint-config-amex](https://github.com/americanexpress/eslint-config-amex) from 16.1.0 to 16.4.0.
- [Release notes](https://github.com/americanexpress/eslint-config-amex/releases)
- [Changelog](https://github.com/americanexpress/eslint-config-amex/blob/main/CHANGELOG.md)
- [Commits](americanexpress/eslint-config-amex@v16.1.0...v16.4.0)

---
updated-dependencies:
- dependency-name: eslint-config-amex
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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