Build(deps-dev): bump eslint-config-prettier from 6.11.0 to 6.12.0 (#5603)

Bumps [eslint-config-prettier](https://github.com/prettier/eslint-config-prettier) from 6.11.0 to 6.12.0.
- [Release notes](https://github.com/prettier/eslint-config-prettier/releases)
- [Changelog](https://github.com/prettier/eslint-config-prettier/blob/master/CHANGELOG.md)
- [Commits](https://github.com/prettier/eslint-config-prettier/compare/v6.11.0...v6.12.0)

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Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>
Co-authored-by: repo-ranger[bot] <39074581+repo-ranger[bot]@users.noreply.github.com>

package.json

@@ -178,7 +178,7 @@
     "enzyme": "^3.11.0",
     "enzyme-adapter-react-16": "^1.15.5",
     "eslint": "^6.8.0",
-    "eslint-config-prettier": "^6.11.0",
+    "eslint-config-prettier": "^6.12.0",
     "eslint-config-standard": "^14.1.1",
     "eslint-config-standard-react": "^9.2.0",
     "eslint-plugin-chai-friendly": "^0.6.0",