build(deps-dev): bump cypress-split from 1.24.18 to 1.24.21

Bumps [cypress-split](https://github.com/bahmutov/cypress-split) from 1.24.18 to 1.24.21.
- [Release notes](https://github.com/bahmutov/cypress-split/releases)
- [Commits](bahmutov/cypress-split@v1.24.18...v1.24.21)

---
updated-dependencies:
- dependency-name: cypress-split
  dependency-version: 1.24.21
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]