mgr/dashboard: bump prettier in /src/pybind/mgr/dashboard/frontend

Bumps [prettier](https://github.com/prettier/prettier) from 2.1.2 to 3.0.2.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@2.1.2...3.0.2)

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

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

src/pybind/mgr/dashboard/frontend/package.json

@@ -121,7 +121,7 @@
     "mocha-junit-reporter": "2.1.0",
     "ng-mocks": "14.3.0",
     "npm-run-all": "4.1.5",
-    "prettier": "2.1.2",
+    "prettier": "3.0.2",
     "pretty-quick": "3.0.2",
     "start-server-and-test": "1.12.1",
     "stylelint": "13.13.1",