Bump eslint-vitest-rule-tester from 1.1.0 to 2.2.1

Bumps [eslint-vitest-rule-tester](https://github.com/antfu/eslint-vitest-rule-tester) from 1.1.0 to 2.2.1.
- [Release notes](https://github.com/antfu/eslint-vitest-rule-tester/releases)
- [Commits](antfu/eslint-vitest-rule-tester@v1.1.0...v2.2.1)

---
updated-dependencies:
- dependency-name: eslint-vitest-rule-tester
  dependency-version: 2.2.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]