build(deps-dev): bump symplify/easy-coding-standard

Bumps [symplify/easy-coding-standard](https://github.com/easy-coding-standard/easy-coding-standard) from 12.1.14 to 12.2.1.
- [Release notes](https://github.com/easy-coding-standard/easy-coding-standard/releases)
- [Commits](easy-coding-standard/easy-coding-standard@12.1.14...12.2.1)

---
updated-dependencies:
- dependency-name: symplify/easy-coding-standard
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>