Bump prettier from 2.7.1 to 2.8.7

Bumps [prettier](https://github.com/prettier/prettier) from 2.7.1 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@2.7.1...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]>

Author: dependabot[bot]

package-lock.json

@@ -89,7 +89,7 @@
     "less": "^4.1.3",
     "less-loader": "^7.3.0",
     "nodemon": "^2.0.19",
-    "prettier": "2.7.1",
+    "prettier": "2.8.7",
     "style-resources-loader": "^1.4.1",
     "supertest": "^6.3.0",
     "vue-cli-plugin-style-resources-loader": "~0.1.5",