Bump prettier from 2.4.1 to 2.8.7

Bumps [prettier](https://github.com/prettier/prettier) from 2.4.1 to 2.8.7.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@2.4.1...2.8.7)

---
updated-dependencies:
- dependency-name: prettier
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -45,7 +45,7 @@
     "popper.js": "^1.16.1",
     "postcss-loader": "^6.1.0",
     "postcss-preset-env": "^6.7.0",
-    "prettier": "2.4.1",
+    "prettier": "2.8.7",
     "sass": "^1.49.0",
     "sass-loader": "^12.1.0",
     "style-loader": "^3.0.0",