build(deps-dev): bump eslint-plugin-testing-library from 7.6.3 to 7.6.6

Bumps [eslint-plugin-testing-library](https://github.com/testing-library/eslint-plugin-testing-library) from 7.6.3 to 7.6.6.
- [Release notes](https://github.com/testing-library/eslint-plugin-testing-library/releases)
- [Changelog](https://github.com/testing-library/eslint-plugin-testing-library/blob/main/.releaserc.json)
- [Commits](https://github.com/testing-library/eslint-plugin-testing-library/compare/v7.6.3...v7.6.6)

---
updated-dependencies:
- dependency-name: eslint-plugin-testing-library
  dependency-version: 7.6.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -71,7 +71,7 @@
     "eslint-plugin-react": "7.37.5",
     "eslint-plugin-react-hooks": "5.2.0",
     "eslint-plugin-react-redux": "4.2.2",
-    "eslint-plugin-testing-library": "7.6.3",
+    "eslint-plugin-testing-library": "7.6.6",
     "git-revision-webpack-plugin": "5.0.0",
     "globals": "16.3.0",
     "history": "5.3.0",