[Snyk] Upgrade @testing-library/react from 12.0.0 to 12.1.2

Snyk has created this PR to upgrade @testing-library/react from 12.0.0 to 12.1.2.

merge advice :information_source: Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

The recommended version is 3 versions ahead of your current version.
The recommended version was released 2 months ago, on 2021-10-03.

Release notes

Package name: @testing-library/react

12.1.2 - 2021-10-03
12.1.2 (2021-10-03)

Bug Fixes
- render: Don't reject wrapper types based on statics (#973) (7f53b56)
12.1.1 - 2021-09-27
12.1.1 (2021-09-27)

Bug Fixes
- TS: make wrapper allow a simple function comp (#966) (cde904c)
12.1.0 - 2021-09-11
12.1.0 (2021-09-11)

Features
- improve JSDocs for RenderOptions (#909) (fbacb0d)
12.0.0 - 2021-06-23
12.0.0 (2021-06-23)

Bug Fixes
- Bump testing-library/dom to v8 alpha (#923) (770246e)
- Update @ testing-library/dom (#931) (05c7421)
Features
- Bump @ testing-library/dom (6e6bf85)
- Drop support for node 10 (#930) (42dad78)
BREAKING CHANGES
- Bump @ testing-library/dom to 8.0.0. Please check out the @ testing-library/dom@8.0.0 release page for a detailed list of breaking changes.
- node 10 is no longer supported. It reached its end-of-life on 30.04.2021.