build(deps-dev): Bump prettier from 3.3.3 to 3.4.2 in /javascript

Bumps [prettier](https://github.com/prettier/prettier) from 3.3.3 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@3.3.3...3.4.2)

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

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

javascript/package.json

@@ -11,7 +11,7 @@
   },
   "devDependencies": {
     "@gatling.io/cli": "3.13.103",
-    "prettier": "3.3.3",
+    "prettier": "3.4.2",
     "rimraf": "6.0.1"
   },
   "scripts": {