chore(deps-dev): bump prettier from 2.5.1 to 2.7.1 in /frontend

Bumps [prettier](https://github.com/prettier/prettier) from 2.5.1 to 2.7.1.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@2.5.1...2.7.1)

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

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

frontend/package.json

@@ -98,7 +98,7 @@
     "husky": "^7.0.4",
     "loader.js": "^4.7.0",
     "moment": "^2.29.1",
-    "prettier": "2.5.1",
+    "prettier": "2.7.1",
     "qunit": "2.17.2",
     "qunit-dom": "2.0.0",
     "sass": "1.51.0"

frontend/yarn.lock

@@ -13855,10 +13855,10 @@ prettier-linter-helpers@^1.0.0:
   dependencies:
     fast-diff "^1.1.2"
 
-prettier@2.5.1:
-  version "2.5.1"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.5.1.tgz#fff75fa9d519c54cf0fce328c1017d94546bc56a"
-  integrity sha512-vBZcPRUR5MZJwoyi3ZoyQlc1rXeEck8KgeC9AwwOn+exuxLxq5toTRDTSaVrXHxelDMHy9zlicw8u66yxoSUFg==
+prettier@2.7.1:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.7.1.tgz#e235806850d057f97bb08368a4f7d899f7760c64"
+  integrity sha512-ujppO+MkdPqoVINuDFDRLClm7D78qbDt0/NR+wp5FqEZOoTNAjPHWj17QRhu7geIHJfcNhRk1XVQmF8Bp3ye+g==
 
 pretty-ms@^3.1.0:
   version "3.2.0"