Bump prettier from 2.8.8 to 3.4.2

Bumps [prettier](https://github.com/prettier/prettier) from 2.8.8 to 3.4.2.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@2.8.8...3.4.2)

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

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

package.json

@@ -22,6 +22,6 @@
   },
   "devDependencies": {
     "concurrently": "^8.2.2",
-    "prettier": "^3.2.5"
+    "prettier": "^3.4.2"
   }
 }

test-app/package.json

@@ -68,7 +68,7 @@
     "eslint-plugin-prettier": "^4.2.1",
     "eslint-plugin-qunit": "^7.3.4",
     "loader.js": "^4.7.0",
-    "prettier": "^2.8.3",
+    "prettier": "^3.4.2",
     "qunit": "^2.19.4",
     "qunit-dom": "^2.0.0",
     "webpack": "^5.75.0"