Update dependency @testing-library/jest-dom to v4.2.0

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
@testing-library/jest-dom	devDependencies	minor	4.1.2 -> 4.2.0

---

Release Notes

testing-library/jest-dom

### [`v4.2.0`](https://togithub.com/testing-library/jest-dom/releases/v4.2.0) [Compare Source](https://togithub.com/testing-library/jest-dom/compare/v4.1.2...v4.2.0) ##### Features - Add toBeChecked matcher ([#​141](https://togithub.com/testing-library/jest-dom/issues/141)) ([ed0b272](https://togithub.com/testing-library/jest-dom/commit/ed0b27293bee589a999ab39d920ae29473ee3eef))

---

Renovate configuration

:date: Schedule: At any time (no schedule defined).

:vertical_traffic_light: Automerge: Enabled.

:recycle: Rebasing: Whenever PR becomes conflicted, or if you modify the PR title to begin with "rebase!".

:no_bell: Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Renovate Bot. View repository job log here.

[codecov[bot]]

Codecov Report

Merging #330 into master will not change coverage. The diff coverage is n/a.

@@          Coverage Diff          @@
##           master   #330   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files           5      5           
  Lines          60     60           
  Branches       10     10           
=====================================
  Hits           60     60

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update 1217dd2...c4a46e7. Read the comment docs.